CVEvulnerability
CVE-2025-61984
3.6 LOW
Official page ↗
- Status
- Deferred
- Published
- 2025-10-06
- Last modified
- 2026-10-15
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.6 LOW — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-159
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.)
Related
Weakness · CWE (1)
- CWE-159 Improper Handling of Invalid Use of Special Elements weakness
References
- https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2 marc.info
- https://www.openssh.com/releasenotes.html#10.1p1 www.openssh.com
- https://www.openwall.com/lists/oss-security/2025/10/06/1 www.openwall.com
- http://www.openwall.com/lists/oss-security/2025/10/07/1 www.openwall.com
- http://www.openwall.com/lists/oss-security/2025/10/12/1 www.openwall.com
- https://www.vicarius.io/vsociety/posts/cve-2025-61984-detection-script-remote-code-execution-vulnerability-affecting-openssh www.vicarius.io
- https://www.vicarius.io/vsociety/posts/cve-2025-61984-mitigation-script-remote-code-execution-vulnerability-affecting-openssh www.vicarius.io
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html cert-portal.siemens.com
- https://dgl.cx/2025/10/bash-a-newline-ssh-proxycommand-cve-2025-61984 dgl.cx