Vulnerability in Openbsd Openssh
CVE-2023-51384
In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.
EPSS: 0.004 (34.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Openbsd Openssh
- Debian Debian_linux — versions 11.0, 12.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Mailing List, Release Notes)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2023-51384?
- CVE-2023-51384 is a medium-severity vulnerability in Openbsd Openssh, classified under Improper Access Control. CVSS score: 5.5/10. Published 2023-12-18.
- How severe is CVE-2023-51384?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-51384 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.