{"cve":"CVE-2025-61984","nvd":{"published":"2025-10-06T19:15:36.157","modified":"2026-10-15T02:18:09.487","status":"Deferred","description":"ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","score":3.6},"cwes":["CWE-159"],"references":["https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2","https://www.openssh.com/releasenotes.html#10.1p1","https://www.openwall.com/lists/oss-security/2025/10/06/1","http://www.openwall.com/lists/oss-security/2025/10/07/1","http://www.openwall.com/lists/oss-security/2025/10/12/1"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2025-61984","score":0.00452,"percentile":0.39032,"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."]}