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Case File

CVE-2019-3855

HIGH · CVSS 8.8 EPSS 9.22% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-03-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-3855
Severity
HIGH
CVSS
8.8
EPSS
9.22%

Original NVD Description

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

Related CVEs

Other vulnerabilities affecting the same vendor(s)