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CVE-2018-10933

CRITICAL
Published
Oct 17, 2018
Updated
Apr 16, 2026
Affected
0 pkgs
Patched
None yet
Exploits
33 known

EPSS Exploitation Probability

via FIRST.org ↗
91.8%probability of exploitation in next 30 days
Very High Risk100th percentile+13.46%
74.3%81.5%88.6%95.8%79.7%91.8%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.

Exploits & PoCs
33

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-46307remotelinux✓ Verified

LibSSH 0.7.6 / 0.8.4 - Unauthorized Access

by jas502n · Oct 20, 2018

EDB-45638remotelinux

libSSH - Authentication Bypass

by Dayanç Soyadlı · Oct 18, 2018

Frequently Asked Questions

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.
O3 Security · Impact-Aware SCA

Is CVE-2018-10933 in your stack?

O3 detects CVE-2018-10933 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.