Vulnerability-Lookup

CNVD-2026-25129

Vulnerability from cnvd - Published: 2026-06-25

Title

Cisco Enterprise Chat and Email跨站脚本漏洞

Description

Cisco Enterprise Chat and Email是一款企业级聊天与电子邮件通信平台，主要提供实时聊天、电子邮件管理和客户互动功能。 Cisco Enterprise Chat and Email存在跨站脚本漏洞。该漏洞源于文件上传期间对文件内容的验证不充分，攻击者可利用该漏洞通过上传包含恶意脚本或HTML代码的文件发起基于浏览器的攻击。

Severity

中

Patch Name

Cisco Enterprise Chat and Email跨站脚本漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ece-lite-agent-BCgSN8eb

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-20172

Impacted products

Name
['Cisco Cisco Enterprise Chat and Email 11.6(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES8', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES5a', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES9', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET1', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET1', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES11', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES9a', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES10', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES1', 'Cisco Cisco Enterprise Chat and Email 12.0(1)', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)', 'Cisco Cisco Enterprise Chat and Email 11.5(1)', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ET1', 'Cisco Cisco Enterprise Chat and Email 11.6(1)', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ET2', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET2', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES12', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ET3', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4_ET1', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET2', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET3', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES7_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET4', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES12_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6_ES3_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 12.6_ES3_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES8', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES3_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES2_ET5', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES7_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET3', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES8_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET3', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5_ET2', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES6_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4_ET2', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES7_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES9', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES10', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES10_ET1', 'Cisco Cisco Enterprise Chat and Email 15.0(1)', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11', 'Cisco Cisco Enterprise Chat and Email 15.0(1)_ET1', 'Cisco Cisco Enterprise Chat and Email 15.0(1)ES202508', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES12', 'Cisco Cisco Enterprise Chat and Email 15.0(1)ES202511', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES12_ET1', 'Cisco Cisco Enterprise Chat and Email 15.0(1)ES202511_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES10']

Name

['Cisco Cisco Enterprise Chat and Email 11.6(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES8', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES5a', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES9', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET1', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET1', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES11', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES9a', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES10', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES1', 'Cisco Cisco Enterprise Chat and Email 12.0(1)', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)', 'Cisco Cisco Enterprise Chat and Email 11.5(1)', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ET1', 'Cisco Cisco Enterprise Chat and Email 11.6(1)', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ET2', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET2', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES12', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ET3', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4_ET1', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES2', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET2', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET3', 'Cisco Cisco Enterprise Chat and Email 12.0(1)_ES7_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET4', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES3', 'Cisco Cisco Enterprise Chat and Email 11.6(1)_ES12_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6_ES3_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 12.6_ES3_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES8', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES7', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES3_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES2_ET5', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES7_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET3', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES8_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET3', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5_ET2', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES6_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4_ET2', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES7_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES9', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET3', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES10', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES10_ET1', 'Cisco Cisco Enterprise Chat and Email 15.0(1)', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11', 'Cisco Cisco Enterprise Chat and Email 15.0(1)_ET1', 'Cisco Cisco Enterprise Chat and Email 15.0(1)ES202508', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11_ET1', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11_ET2', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES12', 'Cisco Cisco Enterprise Chat and Email 15.0(1)ES202511', 'Cisco Cisco Enterprise Chat and Email 12.6(1)_ES12_ET1', 'Cisco Cisco Enterprise Chat and Email 15.0(1)ES202511_ET1', 'Cisco Cisco Enterprise Chat and Email 12.5(1)_ES10']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-20172",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-20172"
    }
  },
  "description": "Cisco Enterprise Chat and Email\u662f\u4e00\u6b3e\u4f01\u4e1a\u7ea7\u804a\u5929\u4e0e\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u5e73\u53f0\uff0c\u4e3b\u8981\u63d0\u4f9b\u5b9e\u65f6\u804a\u5929\u3001\u7535\u5b50\u90ae\u4ef6\u7ba1\u7406\u548c\u5ba2\u6237\u4e92\u52a8\u529f\u80fd\u3002\n\nCisco Enterprise Chat and Email\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6\u4e0a\u4f20\u671f\u95f4\u5bf9\u6587\u4ef6\u5185\u5bb9\u7684\u9a8c\u8bc1\u4e0d\u5145\u5206\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4e0a\u4f20\u5305\u542b\u6076\u610f\u811a\u672c\u6216HTML\u4ee3\u7801\u7684\u6587\u4ef6\u53d1\u8d77\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u653b\u51fb\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ece-lite-agent-BCgSN8eb",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-25129",
  "openTime": "2026-06-25",
  "patchDescription": "Cisco Enterprise Chat and Email\u662f\u4e00\u6b3e\u4f01\u4e1a\u7ea7\u804a\u5929\u4e0e\u7535\u5b50\u90ae\u4ef6\u901a\u4fe1\u5e73\u53f0\uff0c\u4e3b\u8981\u63d0\u4f9b\u5b9e\u65f6\u804a\u5929\u3001\u7535\u5b50\u90ae\u4ef6\u7ba1\u7406\u548c\u5ba2\u6237\u4e92\u52a8\u529f\u80fd\u3002\r\n\r\nCisco Enterprise Chat and Email\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6\u4e0a\u4f20\u671f\u95f4\u5bf9\u6587\u4ef6\u5185\u5bb9\u7684\u9a8c\u8bc1\u4e0d\u5145\u5206\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4e0a\u4f20\u5305\u542b\u6076\u610f\u811a\u672c\u6216HTML\u4ee3\u7801\u7684\u6587\u4ef6\u53d1\u8d77\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u653b\u51fb\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Cisco Enterprise Chat and Email\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES3",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES4",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES8",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES5a",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES9",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET1",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES6",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES5",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES3",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES11",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES4",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES5",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES2",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES9a",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES10",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES1",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)",
      "Cisco Cisco Enterprise Chat and Email 11.5(1)",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES2",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES7",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ET1",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES12",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES6_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES2",
      "Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5",
      "Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES7",
      "Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.0(1)_ES7_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6_ES2_ET4",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES3",
      "Cisco Cisco Enterprise Chat and Email 11.6(1)_ES12_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6_ES3_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES6",
      "Cisco Cisco Enterprise Chat and Email 12.6_ES3_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES7",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES8",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES7",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES4_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES3_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES2_ET5",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES1_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES7_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES6_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES5_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES8_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES3_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES5_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES6_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES4_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES7_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES8_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES9",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES9_ET3",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES10",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES10_ET1",
      "Cisco Cisco Enterprise Chat and Email 15.0(1)",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11",
      "Cisco Cisco Enterprise Chat and Email 15.0(1)_ET1",
      "Cisco Cisco Enterprise Chat and Email 15.0(1)ES202508",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES11_ET2",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES12",
      "Cisco Cisco Enterprise Chat and Email 15.0(1)ES202511",
      "Cisco Cisco Enterprise Chat and Email 12.6(1)_ES12_ET1",
      "Cisco Cisco Enterprise Chat and Email 15.0(1)ES202511_ET1",
      "Cisco Cisco Enterprise Chat and Email 12.5(1)_ES10"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-20172",
  "serverity": "\u4e2d",
  "submitTime": "2026-05-07",
  "title": "Cisco Enterprise Chat and Email\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2026-20172 (GCVE-0-2026-20172)

Vulnerability from cvelistv5 – Published: 2026-05-06 16:15 – Updated: 2026-05-06 17:46

Title

Cisco Enterprise Chat and Email Lite Agent File Upload Vulnerability

Summary

A vulnerability in the Lite Agent feature of Cisco Enterprise Chat and Email (ECE) could allow an authenticated, remote attacker to conduct browser-based attacks. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of Agent. This vulnerability is due to inadequate validation of file contents during file upload operations. An attacker could exploit this vulnerability by uploading a file that contains malicious scripts or HTML code, which the application could make available to other users to access. A successful exploit could allow the attacker to execute the contents of that file in the browser of a user and conduct browser-based attacks.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-06 17:45 UTC

CWE

CWE-646 - Reliance on File Name or Extension of Externally-Supplied File

Assigner

cisco mitre root Scorecard

References

1 reference

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco Enterprise Chat and Email	Affected: 11.6(1)_ES3 Affected: 11.6(1)_ES4 Affected: 12.0(1)_ES6 Affected: 11.6(1)_ES8 Affected: 12.0(1)_ES5a Affected: 11.6(1)_ES9 Affected: 12.0(1)_ES6_ET1 Affected: 11.6(1)_ES6 Affected: 11.6(1)_ES5 Affected: 12.5(1)_ET1 Affected: 12.5(1) Affected: 12.5(1)_ES3_ET1 Affected: 12.0(1)_ES3 Affected: 11.6(1)_ES11 Affected: 12.0(1)_ES4 Affected: 12.0(1)_ES5 Affected: 11.6(1)_ES2 Affected: 11.6(1)_ES9a Affected: 11.6(1)_ES10 Affected: 12.0(1)_ES1 Affected: 12.0(1) Affected: 12.5(1)_ES3 Affected: 12.6(1) Affected: 11.5(1) Affected: 12.0(1)_ES2 Affected: 11.6(1)_ES7 Affected: 12.5(1)_ES2 Affected: 12.6(1)_ET1 Affected: 11.6(1) Affected: 12.5(1)_ES1 Affected: 12.6(1)_ET2 Affected: 12.5(1)_ES3_ET2 Affected: 12.0(1)_ES6_ET2 Affected: 12.6(1)_ES1 Affected: 12.5(1)_ES4 Affected: 11.6(1)_ES12 Affected: 12.6(1)_ET3 Affected: 12.5(1)_ES4_ET1 Affected: 12.0(1)_ES6_ET3 Affected: 12.6(1)_ES1_ET1 Affected: 12.6(1)_ES2 Affected: 12.6_ES2_ET1 Affected: 12.5(1)_ES5 Affected: 12.6_ES2_ET2 Affected: 12.0(1)_ES7 Affected: 12.6_ES2_ET3 Affected: 12.0(1)_ES7_ET1 Affected: 12.5(1)_ES5_ET1 Affected: 12.6_ES2_ET4 Affected: 12.6(1)_ES3 Affected: 11.6(1)_ES12_ET1 Affected: 12.6_ES3_ET1 Affected: 12.5(1)_ES6 Affected: 12.6_ES3_ET2 Affected: 12.6(1)_ES4 Affected: 12.5(1)_ES7 Affected: 12.6(1)_ES4_ET1 Affected: 12.6(1)_ES5 Affected: 12.6(1)_ES5_ET1 Affected: 12.6(1)_ES5_ET2 Affected: 12.6(1)_ES6 Affected: 12.6(1)_ES6_ET1 Affected: 12.5(1)_ES8 Affected: 12.6(1)_ES6_ET2 Affected: 12.6(1)_ES7 Affected: 12.6(1)_ES8 Affected: 12.6(1)_ES4_ET2 Affected: 12.6(1)_ES3_ET3 Affected: 12.6(1)_ES2_ET5 Affected: 12.6(1)_ES1_ET2 Affected: 12.6(1)_ES8_ET1 Affected: 12.6(1)_ES7_ET1 Affected: 12.6(1)_ES6_ET3 Affected: 12.6(1)_ES5_ET3 Affected: 12.5(1)_ES8_ET1 Affected: 12.5(1)_ES3_ET3 Affected: 12.5(1)_ES5_ET2 Affected: 12.5(1)_ES6_ET1 Affected: 12.5(1)_ES4_ET2 Affected: 12.5(1)_ES7_ET1 Affected: 12.6(1)_ES8_ET2 Affected: 12.6(1)_ES9 Affected: 12.6(1)_ES9_ET1 Affected: 12.5(1)_ES9 Affected: 12.6(1)_ES9_ET2 Affected: 12.6(1)_ES9_ET3 Affected: 12.6(1)_ES10 Affected: 12.6(1)_ES10_ET1 Affected: 15.0(1) Affected: 12.6(1)_ES11 Affected: 15.0(1)_ET1 Affected: 15.0(1)ES202508 Affected: 12.6(1)_ES11_ET1 Affected: 12.6(1)_ES11_ET2 Affected: 12.6(1)_ES12 Affected: 15.0(1)ES202511 Affected: 12.6(1)_ES12_ET1 Affected: 15.0(1)ES202511_ET1 Affected: 12.5(1)_ES10

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20172",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-06T17:45:56.726902Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-06T17:46:04.178Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Enterprise Chat and Email",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "11.6(1)_ES3"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES4"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES6"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES8"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES5a"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES9"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES6_ET1"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES6"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES5"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES3_ET1"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES3"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES11"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES4"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES5"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES2"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES9a"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES10"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES1"
            },
            {
              "status": "affected",
              "version": "12.0(1)"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES3"
            },
            {
              "status": "affected",
              "version": "12.6(1)"
            },
            {
              "status": "affected",
              "version": "11.5(1)"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES2"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES7"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ET1"
            },
            {
              "status": "affected",
              "version": "11.6(1)"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ET2"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES3_ET2"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES6_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES4"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES12"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ET3"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES4_ET1"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES6_ET3"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES1_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES2"
            },
            {
              "status": "affected",
              "version": "12.6_ES2_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES5"
            },
            {
              "status": "affected",
              "version": "12.6_ES2_ET2"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES7"
            },
            {
              "status": "affected",
              "version": "12.6_ES2_ET3"
            },
            {
              "status": "affected",
              "version": "12.0(1)_ES7_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES5_ET1"
            },
            {
              "status": "affected",
              "version": "12.6_ES2_ET4"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES3"
            },
            {
              "status": "affected",
              "version": "11.6(1)_ES12_ET1"
            },
            {
              "status": "affected",
              "version": "12.6_ES3_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES6"
            },
            {
              "status": "affected",
              "version": "12.6_ES3_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES4"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES7"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES4_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES5"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES5_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES5_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES6"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES6_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES8"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES6_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES7"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES8"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES4_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES3_ET3"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES2_ET5"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES1_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES8_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES7_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES6_ET3"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES5_ET3"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES8_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES3_ET3"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES5_ET2"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES6_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES4_ET2"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES7_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES8_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES9"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES9_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES9"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES9_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES9_ET3"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES10"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES10_ET1"
            },
            {
              "status": "affected",
              "version": "15.0(1)"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES11"
            },
            {
              "status": "affected",
              "version": "15.0(1)_ET1"
            },
            {
              "status": "affected",
              "version": "15.0(1)ES202508"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES11_ET1"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES11_ET2"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES12"
            },
            {
              "status": "affected",
              "version": "15.0(1)ES202511"
            },
            {
              "status": "affected",
              "version": "12.6(1)_ES12_ET1"
            },
            {
              "status": "affected",
              "version": "15.0(1)ES202511_ET1"
            },
            {
              "status": "affected",
              "version": "12.5(1)_ES10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Lite Agent feature of Cisco Enterprise Chat and Email (ECE) could allow an authenticated, remote attacker to conduct browser-based attacks. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of Agent.\r\n\r\nThis vulnerability is due to inadequate validation of file contents during file upload operations. An attacker could exploit this vulnerability by uploading a file that contains malicious scripts or HTML code, which the application could make available to other users to access. A successful exploit could allow the attacker to execute the contents of that file in the browser of a user and conduct browser-based attacks.\u0026nbsp;"
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-646",
              "description": "Reliance on File Name or Extension of Externally-Supplied File",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-06T16:15:37.789Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-ece-lite-agent-BCgSN8eb",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ece-lite-agent-BCgSN8eb"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ece-lite-agent-BCgSN8eb",
        "defects": [
          "CSCws79262"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Cisco Enterprise Chat and Email Lite Agent File Upload Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20172",
    "datePublished": "2026-05-06T16:15:37.789Z",
    "dateReserved": "2025-10-08T11:59:15.391Z",
    "dateUpdated": "2026-05-06T17:46:04.178Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CNVD-2026-25129

CVE-2026-20172 (GCVE-0-2026-20172)

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Nomenclature

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