CVE-2016-20012

CWE-200 — Information Exposure7 documents7 sources
Severity
5.3MEDIUM
EPSS
14.6%
top 5.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Openbsd Openssh
Timeline
PublishedSep 15
Latest updateMay 24

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages1 packages

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-84j4-ccmw-hwpg: OpenSSH through 8↗2022-05-24
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CVEList
CVE-2016-20012: OpenSSH through 8↗2021-09-15
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OSV
CVE-2016-20012: OpenSSH through 8↗2021-09-15
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📋Vendor Advisories

3
Microsoft
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 ↗2021-09-14
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Red Hat
openssh: Public key information leak↗2016-02-07
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Debian
CVE-2016-20012: openssh - OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain...↗2016
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CVE-2016-20012 (MEDIUM CVSS 5.3) | OpenSSH through 8.7 allows remote a | cvebase.io