Vulnerability-Lookup

CNVD-2020-63488

Vulnerability from cnvd - Published: 2020-11-16

Title

Cisco AnyConnect Secure Mobility Client for Windows任意文件读取漏洞

Description

Cisco AnyConnect Secure Mobility Client for Windows是美国思科（Cisco）公司的一款基于Windows平台的可通过任何设备安全访问网络和应用的安全移动客户端。 Cisco AnyConnect Secure Mobility Client for Windows 4.9.03047之前版本的进程间通信（IPC）通道存在任意文件读取漏洞。攻击者可通过向AnyConnect进程发送特制IPC消息利用该漏洞读取底层操作系统上的任意文件。

Severity

中

Patch Name

Cisco AnyConnect Secure Mobility Client for Windows任意文件读取漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-file-read-LsvDD6Uh

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-27123

Impacted products

Name
Cisco Cisco AnyConnect Secure Mobility Client for Windows <4.9.03047

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27123",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27123"
    }
  },
  "description": "Cisco AnyConnect Secure Mobility Client for Windows\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8eWindows\u5e73\u53f0\u7684\u53ef\u901a\u8fc7\u4efb\u4f55\u8bbe\u5907\u5b89\u5168\u8bbf\u95ee\u7f51\u7edc\u548c\u5e94\u7528\u7684\u5b89\u5168\u79fb\u52a8\u5ba2\u6237\u7aef\u3002\n\nCisco AnyConnect Secure Mobility Client for Windows 4.9.03047\u4e4b\u524d\u7248\u672c\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08IPC\uff09\u901a\u9053\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411AnyConnect\u8fdb\u7a0b\u53d1\u9001\u7279\u5236IPC\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-file-read-LsvDD6Uh",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-63488",
  "openTime": "2020-11-16",
  "patchDescription": "Cisco AnyConnect Secure Mobility Client for Windows\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8eWindows\u5e73\u53f0\u7684\u53ef\u901a\u8fc7\u4efb\u4f55\u8bbe\u5907\u5b89\u5168\u8bbf\u95ee\u7f51\u7edc\u548c\u5e94\u7528\u7684\u5b89\u5168\u79fb\u52a8\u5ba2\u6237\u7aef\u3002\r\n\r\nCisco AnyConnect Secure Mobility Client for Windows 4.9.03047\u4e4b\u524d\u7248\u672c\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08IPC\uff09\u901a\u9053\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411AnyConnect\u8fdb\u7a0b\u53d1\u9001\u7279\u5236IPC\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\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 AnyConnect Secure Mobility Client for Windows\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Cisco AnyConnect Secure Mobility Client for Windows \u003c4.9.03047"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-27123",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-05",
  "title": "Cisco AnyConnect Secure Mobility Client for Windows\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2020-27123 (GCVE-0-2020-27123)

Vulnerability from cvelistv5 – Published: 2020-11-06 18:15 – Updated: 2024-11-13 17:44

Title

Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability

Summary

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device. The vulnerability is due to an exposed IPC function. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device.

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-13 17:22 UTC

CWE

CWE-749

Assigner

cisco mitre root Scorecard

References

1 reference

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco AnyConnect Secure Mobility Client	Affected: n/a

Date Public

2020-11-04 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:11:35.402Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20201104 Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-file-read-LsvDD6Uh"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-27123",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-13T17:22:33.371546Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-13T17:44:26.944Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco AnyConnect Secure Mobility Client",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2020-11-04T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device. The vulnerability is due to an exposed IPC function. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (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": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-749",
              "description": "CWE-749",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-11-06T18:15:47.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20201104 Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-file-read-LsvDD6Uh"
        }
      ],
      "source": {
        "advisory": "cisco-sa-anyconnect-file-read-LsvDD6Uh",
        "defect": [
          [
            "CSCvv66094"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2020-11-04T16:00:00",
          "ID": "CVE-2020-27123",
          "STATE": "PUBLIC",
          "TITLE": "Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco AnyConnect Secure Mobility Client",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device. The vulnerability is due to an exposed IPC function. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "5.5",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-749"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20201104 Cisco AnyConnect Secure Mobility Client for Windows Arbitrary File Read Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-file-read-LsvDD6Uh"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-anyconnect-file-read-LsvDD6Uh",
          "defect": [
            [
              "CSCvv66094"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2020-27123",
    "datePublished": "2020-11-06T18:15:47.548Z",
    "dateReserved": "2020-10-13T00:00:00.000Z",
    "dateUpdated": "2024-11-13T17:44:26.944Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2020-63488

CVE-2020-27123 (GCVE-0-2020-27123)

Tags

Sightings

Nomenclature

Related by attack behaviour