UBUNTU-CVE-2023-51385
Advisory lineage Upstream: 1 Downstream: 3
Upstream
Downstream
Published: 20 Dec 2023, 00:00
Last modified:20 May 2026, 16:13
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
20 Dec 2023, 00:00
Published
Vulnerability first disclosed
20 May 2026, 16:13
Last Modified
Vulnerability information updated
Description
In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or host name.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Systems
- ubuntu•openssh
all | < 1:7.2p2-4ubuntu2.10+esm6 | < 1:7.2p2-4ubuntu2.fips.2.10.6 | < 1:7.6p1-4ubuntu0.7+esm3 | < 1:7.9p1-10~ubuntu18.04.fips.0.9 | < 1:8.2p1-4ubuntu0.11 | < 1:8.2p1-4ubuntu0.fips.0.11 | < 1:8.9p1-3ubuntu0.6 | < 1:9.6p1-3ubuntu1
- ubuntu•openssh-ssh1
all | all | all | all | all | all
References (7)
- https://ubuntu.com/security/CVE-2023-51385
- https://www.openwall.com/lists/oss-security/2023/12/18/2
- https://www.openssh.com/txt/release-9.6
- https://ubuntu.com/security/notices/USN-6565-1
- https://ubuntu.com/security/notices/USN-6560-2
- https://www.cve.org/CVERecord?id=CVE-2023-51385
- https://ubuntu.com/security/notices/USN-6560-3