GHSA-232r-66cg-79pxCriticalCVSS 9.8

Paramiko not properly checking authentication before processing other requests

Published
July 12, 2018
Last Modified
June 9, 2026

🔗 CVE IDs covered (1)

📋 Description

transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.

🎯 Affected products7

  • pip/paramiko:>= 2.0.0, < 2.0.8
  • pip/paramiko:>= 2.1.0, < 2.1.5
  • pip/paramiko:>= 2.2.0, < 2.2.3
  • pip/paramiko:>= 2.3.0, < 2.3.2
  • pip/paramiko:= 2.4.0
  • pip/paramiko:>= 1.18.0, < 1.18.5
  • pip/paramiko:< 1.17.6

🔗 References (24)