CVE-2023-46445
MEDIUM EPSS 43.6%
Published Nov 14, 20232y ago · Modified Jun 17, 20262w ago
5.9 CVSS 3.1
Published Nov 14, 2023 2y ago
Last Modified Jun 17, 2026 2w ago
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None
Threat Intelligence
EPSS Exploit Probability
43.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-345
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| asyncssh_project | asyncssh | * | <2.14.1 |
References 8
- packetstormsecurity.com http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
- github.com https://github.com/advisories/GHSA-cfc2-wr2v-gxm5
- github.com https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
- github.com https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5
- lists.debian.org https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/
- security.netapp.com https://security.netapp.com/advisory/ntap-20231222-0001/
- terrapin-attack.com https://www.terrapin-attack.com
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.