UBUNTU-CVE-2023-46445

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2023-46445
Published: 14 Nov 2023, 03:15
Last modified:28 Feb 2026, 05:43

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
5.9 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Nov 2023, 03:15
Published
Vulnerability first disclosed
28 Feb 2026, 05:43
Last Modified
Vulnerability information updated

Description

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • ubuntu•python-asyncssh

    all | < 1.11.1-1ubuntu0.1~esm2 | < 1.12.2-1ubuntu0.2 | < 2.5.0-1ubuntu0.1 | < 2.10.1-2ubuntu0.1+esm1

References (5)