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CVE-2023-46445
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…
Medium5.9EPSS 0.59%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.59% · top 52% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIasyncsshGHSA-cfc2-wr2v-gxm5 (opens in a new tab)
References (8)
- https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5 (opens in a new tab)x_transferred
- FEDORA-2023-d2956318e4 (opens in a new tab)vendor-advisoryx_transferred
- https://www.terrapin-attack.com (opens in a new tab)x_transferred
- https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst (opens in a new tab)x_transferred
- https://github.com/advisories/GHSA-cfc2-wr2v-gxm5 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20231222-0001/ (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cfc2-wr2v-gxm5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-46445)Record last updated .