{"cve":"CVE-2023-51385","nvd":{"published":"2023-12-18T19:15:08.773","modified":"2026-10-15T01:17:12.563","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-78"],"references":["http://seclists.org/fulldisclosure/2024/Mar/21","http://www.openwall.com/lists/oss-security/2023/12/26/4","https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1a","https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html","https://security.gentoo.org/glsa/202312-17"],"products":["debian:debian_linux","openbsd:openssh"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-51385","score":0.19753,"percentile":0.97384,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}