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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

🗓️ 01 Oct 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 7 Views

OpenSSH up to 8.7 lets remote verify a suspected username and public key with a challenge; vendor ignores user enumeration.

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01 Oct 2021 07:00Current
7High risk
Vulners AI Score7
CVSS 24.3
CVSS 3.15.3
EPSS0.08647
SSVC
7