VulnerabilityModified
CVE-2023-51385
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.
MEDIUM 6.5EPSS 19.8%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 19.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 19.75% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- openbsd/openssh · debian/debian linux
- Source
- cve@mitre.org
References
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://www.openwall.com/lists/oss-security/2023/12/26/4Mailing List, Third Party Advisory
- https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1aPatch
- https://lists.debian.org/debian-lts-announce/2023/12/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202312-17Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/
- https://support.apple.com/kb/HT214084
- https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.htmlThird Party Advisory
- https://www.debian.org/security/2023/dsa-5586Third Party Advisory
- https://www.openssh.com/txt/release-9.6Release Notes
- https://www.openwall.com/lists/oss-security/2023/12/18/2Mailing List, Release Notes
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://www.openwall.com/lists/oss-security/2023/12/26/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/10/07/1
- http://www.openwall.com/lists/oss-security/2025/10/12/1
- https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1aPatch
- https://lists.debian.org/debian-lts-announce/2023/12/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202312-17Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/
- https://support.apple.com/kb/HT214084
- https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.htmlThird Party Advisory
- https://www.debian.org/security/2023/dsa-5586Third Party Advisory
- https://www.openssh.com/txt/release-9.6Release Notes
- https://www.openwall.com/lists/oss-security/2023/12/18/2Mailing List, Release Notes
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-769027.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.