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."
Published: 2023-11-14
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3899-1 python-asyncssh security update
Github GHSA Github GHSA GHSA-cfc2-wr2v-gxm5 AsyncSSH Rogue Extension Negotiation
Ubuntu USN Ubuntu USN USN-7108-1 AsyncSSH vulnerabilities
Ubuntu USN Ubuntu USN USN-7108-2 AsyncSSH vulnerabilities
History

Mon, 03 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Subscriptions

Asyncssh Project Asyncssh
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-25T17:20:12.613Z

Reserved: 2023-10-23T00:00:00.000Z

Link: CVE-2023-46445

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-11-14T03:15:09.470

Modified: 2026-02-25T18:18:07.057

Link: CVE-2023-46445

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-11-13T00:00:00Z

Links: CVE-2023-46445 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses