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Title
Cisco IOS和IOS XE HSRP信息泄露漏洞
Description
Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。
Cisco IOS和IOS XE中的热备份路由器协议子系统存在安全漏洞，该漏洞源于程序未能充分地初始化内存。攻击者可通过接收HSRPv2流量利用该漏洞获取敏感信息。
Severity
低
Patch Name
Cisco IOS和IOS XE HSRP信息泄露漏洞的补丁
Patch Description
Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。
Cisco IOS和IOS XE中的热备份路由器协议子系统存在安全漏洞，该漏洞源于程序未能充分地初始化内存。攻击者可通过接收HSRPv2流量利用该漏洞获取敏感信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
厂商已发布漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-ios-infoleak
Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-1761
Impacted products
| Name | ['Cisco IOS XE', 'Cisco IOS'] |
|---|
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}
CVE-2019-1761 (GCVE-0-2019-1761)
Vulnerability from cvelistv5 – Published: 2019-03-28 00:25 – Updated: 2024-11-21 19:41
VLAI
EPSS
VEX
Title
Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
Summary
A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to receive potentially sensitive information from an affected device. The vulnerability is due to insufficient memory initialization. An attacker could exploit this vulnerability by receiving HSRPv2 traffic from an adjacent HSRP member. A successful exploit could allow the attacker to receive potentially sensitive information from the adjacent device.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-21 18:59 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://www.securityfocus.com/bid/107620 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS and IOS XE Software |
Affected:
3.2.0SG
Affected: 3.2.1SG Affected: 3.2.2SG Affected: 3.2.3SG Affected: 3.2.4SG Affected: 3.2.5SG Affected: 3.2.6SG Affected: 3.2.7SG Affected: 3.2.8SG Affected: 3.2.9SG Affected: 3.2.10SG Affected: 3.2.11SG Affected: 3.7.0S Affected: 3.7.1S Affected: 3.7.2S Affected: 3.7.3S Affected: 3.7.4S Affected: 3.7.5S Affected: 3.7.6S Affected: 3.7.7S Affected: 3.7.8S Affected: 3.7.4aS Affected: 3.7.2tS Affected: 3.7.0bS Affected: 3.7.1aS Affected: 3.3.0SG Affected: 3.3.2SG Affected: 3.3.1SG Affected: 3.8.0S Affected: 3.8.1S Affected: 3.8.2S Affected: 3.9.1S Affected: 3.9.0S Affected: 3.9.2S Affected: 3.9.1aS Affected: 3.9.0aS Affected: 3.2.0SE Affected: 3.2.1SE Affected: 3.2.2SE Affected: 3.2.3SE Affected: 3.3.0SE Affected: 3.3.1SE Affected: 3.3.2SE Affected: 3.3.3SE Affected: 3.3.4SE Affected: 3.3.5SE Affected: 3.3.0XO Affected: 3.3.1XO Affected: 3.3.2XO Affected: 3.4.0SG Affected: 3.4.2SG Affected: 3.4.1SG Affected: 3.4.3SG Affected: 3.4.4SG Affected: 3.4.5SG Affected: 3.4.6SG Affected: 3.4.7SG Affected: 3.4.8SG Affected: 3.5.0E Affected: 3.5.1E Affected: 3.5.2E Affected: 3.5.3E Affected: 3.10.0S Affected: 3.10.1S Affected: 3.10.2S Affected: 3.10.3S Affected: 3.10.4S Affected: 3.10.5S Affected: 3.10.6S Affected: 3.10.2aS Affected: 3.10.2tS Affected: 3.10.7S Affected: 3.10.8S Affected: 3.10.8aS Affected: 3.10.9S Affected: 3.10.10S Affected: 3.11.1S Affected: 3.11.2S Affected: 3.11.0S Affected: 3.11.3S Affected: 3.11.4S Affected: 3.12.0S Affected: 3.12.1S Affected: 3.12.2S Affected: 3.12.3S Affected: 3.12.0aS Affected: 3.12.4S Affected: 3.13.0S Affected: 3.13.1S Affected: 3.13.2S Affected: 3.13.3S Affected: 3.13.4S Affected: 3.13.5S Affected: 3.13.2aS Affected: 3.13.0aS Affected: 3.13.5aS Affected: 3.13.6S Affected: 3.13.7S Affected: 3.13.6aS Affected: 3.13.6bS Affected: 3.13.7aS Affected: 3.13.8S Affected: 3.13.9S Affected: 3.13.10S Affected: 3.6.0E Affected: 3.6.1E Affected: 3.6.0aE Affected: 3.6.0bE Affected: 3.6.2aE Affected: 3.6.2E Affected: 3.6.3E Affected: 3.6.4E Affected: 3.6.5E Affected: 3.6.6E Affected: 3.6.5aE Affected: 3.6.5bE Affected: 3.6.7E Affected: 3.6.8E Affected: 3.6.7aE Affected: 3.6.7bE Affected: 3.6.9E Affected: 3.6.9aE Affected: 3.14.0S Affected: 3.14.1S Affected: 3.14.2S Affected: 3.14.3S Affected: 3.14.4S Affected: 3.15.0S Affected: 3.15.1S Affected: 3.15.2S Affected: 3.15.1cS Affected: 3.15.3S Affected: 3.15.4S Affected: 3.3.0SQ Affected: 3.3.1SQ Affected: 3.4.0SQ Affected: 3.4.1SQ Affected: 3.7.0E Affected: 3.7.1E Affected: 3.7.2E Affected: 3.7.3E Affected: 3.7.4E Affected: 3.7.5E Affected: 3.5.0SQ Affected: 3.5.1SQ Affected: 3.5.2SQ Affected: 3.5.3SQ Affected: 3.5.4SQ Affected: 3.5.5SQ Affected: 3.5.6SQ Affected: 3.5.7SQ Affected: 3.5.8SQ Affected: 3.16.0S Affected: 3.16.1S Affected: 3.16.0aS Affected: 3.16.1aS Affected: 3.16.2S Affected: 3.16.2aS Affected: 3.16.0bS Affected: 3.16.0cS Affected: 3.16.3S Affected: 3.16.2bS Affected: 3.16.3aS Affected: 3.16.4S Affected: 3.16.4aS Affected: 3.16.4bS Affected: 3.16.4gS Affected: 3.16.5S Affected: 3.16.4cS Affected: 3.16.4dS Affected: 3.16.4eS Affected: 3.16.6S Affected: 3.16.5aS Affected: 3.16.5bS Affected: 3.16.7S Affected: 3.16.6bS Affected: 3.16.7aS Affected: 3.16.7bS Affected: 3.16.8S Affected: 3.17.0S Affected: 3.17.1S Affected: 3.17.2S Affected: 3.17.1aS Affected: 3.17.3S Affected: 3.17.4S Affected: 16.1.1 Affected: 16.1.2 Affected: 16.1.3 Affected: 3.2.0JA Affected: 16.2.1 Affected: 16.2.2 Affected: 3.8.0E Affected: 3.8.1E Affected: 3.8.2E Affected: 3.8.3E Affected: 3.8.4E Affected: 3.8.5E Affected: 3.8.5aE Affected: 3.8.6E Affected: 3.8.7E Affected: 16.3.1 Affected: 16.3.2 Affected: 16.3.3 Affected: 16.3.1a Affected: 16.3.4 Affected: 16.3.5 Affected: 16.3.5b Affected: 16.3.6 Affected: 16.3.7 Affected: 16.4.1 Affected: 16.4.2 Affected: 16.4.3 Affected: 16.5.1 Affected: 16.5.1a Affected: 16.5.1b Affected: 16.5.2 Affected: 16.5.3 Affected: 3.18.0aS Affected: 3.18.0S Affected: 3.18.1S Affected: 3.18.2S Affected: 3.18.3S Affected: 3.18.4S Affected: 3.18.0SP Affected: 3.18.1SP Affected: 3.18.1aSP Affected: 3.18.1gSP Affected: 3.18.1bSP Affected: 3.18.1cSP Affected: 3.18.2SP Affected: 3.18.1hSP Affected: 3.18.2aSP Affected: 3.18.1iSP Affected: 3.18.3SP Affected: 3.18.4SP Affected: 3.18.3aSP Affected: 3.18.3bSP Affected: 3.18.5SP Affected: 3.9.0E Affected: 3.9.1E Affected: 3.9.2E Affected: 3.9.2bE Affected: 16.6.1 Affected: 16.6.2 Affected: 16.6.3 Affected: 16.6.4 Affected: 16.6.4s Affected: 16.6.4a Affected: 16.7.1 Affected: 16.7.1a Affected: 16.7.1b Affected: 16.7.2 Affected: 16.8.1 Affected: 16.8.1a Affected: 16.8.1b Affected: 16.8.1s Affected: 16.8.1c Affected: 16.8.1d Affected: 16.8.2 Affected: 16.8.1e Affected: 16.9.1 Affected: 16.9.1a Affected: 16.9.1b Affected: 16.9.1s Affected: 16.9.1c Affected: 16.9.1d Affected: 3.10.0E Affected: 3.10.1E Affected: 3.10.0cE Affected: 3.10.2E Affected: 3.10.1aE Affected: 3.10.1sE |
Date Public
2019-03-27 00:00
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"value": "A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to receive potentially sensitive information from an affected device. The vulnerability is due to insufficient memory initialization. An attacker could exploit this vulnerability by receiving HSRPv2 traffic from an adjacent HSRP member. A successful exploit could allow the attacker to receive potentially sensitive information from the adjacent device."
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"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"name": "20190327 Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability",
"tags": [
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"title": "Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability",
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"DATE_PUBLIC": "2019-03-27T16:00:00-0700",
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{
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{
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{
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{
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{
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{
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{
"version_affected": "=",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
"version_affected": "=",
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},
{
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},
{
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{
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{
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{
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{
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},
{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
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},
{
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"version_value": "16.9.1d"
},
{
"version_affected": "=",
"version_value": "3.10.0E"
},
{
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},
{
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},
{
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},
{
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{
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]
}
}
]
},
"vendor_name": "Cisco"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to receive potentially sensitive information from an affected device. The vulnerability is due to insufficient memory initialization. An attacker could exploit this vulnerability by receiving HSRPv2 traffic from an adjacent HSRP member. A successful exploit could allow the attacker to receive potentially sensitive information from the adjacent 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": "4.3",
"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.0"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-665"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "20190327 Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability",
"refsource": "CISCO",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-ios-infoleak"
},
{
"name": "107620",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/107620"
}
]
},
"source": {
"advisory": "cisco-sa-20190327-ios-infoleak",
"defect": [
[
"CSCvj98575"
]
],
"discovery": "INTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2019-1761",
"datePublished": "2019-03-28T00:25:15.422Z",
"dateReserved": "2018-12-06T00:00:00.000Z",
"dateUpdated": "2024-11-21T19:41:22.576Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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