CVE-2025-61984

openssh: From CVEorg collector

Published Oct 6, 2025 CVSS 3.1 · 3.6 Low EPSS < 1% KEV · Not listed
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.)

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4584-1 openssh security update
Debian DSA Debian DSA DSA-6204-1 openssh security update
EUVD EUVD EUVD-2025-32589 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.)
Ubuntu USN Ubuntu USN USN-8090-1 OpenSSH vulnerabilities
Ubuntu USN Ubuntu USN USN-8090-2 OpenSSH vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title openssh: From CVEorg collector
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Openbsd
Openbsd openssh
Vendors & Products Openbsd
Openbsd openssh
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.)
Weaknesses CWE-159
References
Metrics cvssV3_1

{'score': 3.6, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses
  • CWE-159

    Improper Handling of Invalid Use of Special Elements

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 10, 2026, 12:37 PM
Reserved
Oct 6, 2025, 12:00 AM
Status
Deferred
Published
Oct 6, 2025, 7:15 PM
Modified
Nov 10, 2026, 1:17 PM
Severity
Moderate
Public date
Oct 6, 2025, 12:00 AM