CVE-2024-47857 Auth bypass in n/a

Critical 9.8 Published Updated

Attackers can impersonate other users to access SSH hosts due to insufficient public key signature validation in PrivX.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-47857?

CVE-2024-47857 is a critical authentication bypass vulnerability in n/a, published on 31 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SSH Communication Security PrivX versions between 18.0-36.0 implement insufficient validation on public key signatures when using native SSH connections via a proxy port. This allows an existing PrivX "account A" to impersonate another existing PrivX "account B" and gain access to SSH target hosts to which the "account B" has access.

Weakness: CWE-20

Which versions are affected by CVE-2024-47857?

How do I fix CVE-2024-47857?

No fix has been published for CVE-2024-47857 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-47857 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-47857 exists.

Sources

Also known as GHSA-57j8-wcpx-w45w.

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