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CVE-2016-20012

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenSSH（OpenBSD Secure Shell）是Openbsd计划组的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 8.7之前版本存在安全漏洞，允许远程攻击者怀疑 SSH 服务器知道用户名和公钥的特定组合，以测试这种怀疑是否正确。 发生这种情况是因为仅当该组合对登录会话有效时才会发送质询。

AI Predicted 5.3 Difficulty: Easy EPSS 5.33% · P92

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2016-20012

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE: the vendor does not recognize user enumeration as a vulnerability for this product
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSSH 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSH（OpenBSD Secure Shell）是Openbsd计划组的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 8.7之前版本存在安全漏洞，允许远程攻击者怀疑 SSH 服务器知道用户名和公钥的特定组合，以测试这种怀疑是否正确。 发生这种情况是因为仅当该组合对登录会话有效时才会发送质询。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2016-20012

# POC Description Source Link Shenlong Link
1 None https://github.com/aztec-eagle/cve-2016-20012 POC Details
2 None https://github.com/arturo-b-cmu/cve-2016-20012 POC Details
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III. Intelligence Information for CVE-2016-20012

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Patches & Fixes for CVE-2016-20012 (3)

Vendor Advisories for CVE-2016-20012 (1)

Mailing List Discussions for CVE-2016-20012 (1)

Security Blog Posts for CVE-2016-20012 (2)

Other References for CVE-2016-20012 (1)

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Showing top 20 of 50 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2016-20012

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