Vulnerability in Asyncssh Project
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 "Rogue Extension Negotiation."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.terrapin-attack.com
- github.com/ronf/asyncssh/blob/develop/docs/changes.rst
- github.com/advisories/GHSA-cfc2-wr2v-gxm5
- packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
- security.netapp.com/advisory/ntap-20231222-0001/
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-46445?
- CVE-2023-46445 is a medium-severity vulnerability in Asyncssh Project, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.9/10. Published 2023-11-14.
- How severe is CVE-2023-46445?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2023-46445 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.