{"dataType":"CVE_RECORD","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2025-61984","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","dateUpdated":"2026-02-26T17:48:18.755Z","dateReserved":"2025-10-06T00:00:00.000Z","datePublished":"2025-10-06T00:00:00.000Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"OpenSSH","vendor":"OpenBSD","versions":[{"lessThan":"10.1","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"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.)"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-159","description":"CWE-159 Improper Handling of Invalid Use of Special Elements","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2025-10-06T18:17:49.959Z"},"references":[{"url":"https://www.openwall.com/lists/oss-security/2025/10/06/1"},{"url":"https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2"},{"url":"https://www.openssh.com/releasenotes.html#10.1p1"}],"x_generator":{"engine":"enrichogram 0.0.1"},"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":3.6,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*","versionEndExcluding":"10.1"}]}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-61984","role":"CISA Coordinator","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-08T03:55:10.734755Z"}}}],"references":[{"url":"https://dgl.cx/2025/10/bash-a-newline-ssh-proxycommand-cve-2025-61984","tags":["exploit"]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T17:48:18.755Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-11T14:50:56.007Z"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2025/10/07/1"},{"url":"http://www.openwall.com/lists/oss-security/2025/10/12/1"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-61984-detection-script-remote-code-execution-vulnerability-affecting-openssh"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-61984-mitigation-script-remote-code-execution-vulnerability-affecting-openssh"}],"title":"CVE Program Container","x_generator":{"engine":"ADPogram 0.0.1"}}]},"dataVersion":"5.2"}