Vulnerability in OpenSSH (CVE-2025-61985)
Summary
Vulnerability in OpenSSH (CVE-2025-61985). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2025-61985 has been found in OpenSSH.
Risk of unauthorized operations or information disclosure. CVSS score: 3.6/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "OpenSSH CVE-2025-61985" on the vendor's site.
CVE-2025-61985 (OpenSSH) — CWE-158 / CVSS v3 3.6
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-158) exists in OpenSSH.
Check the vendor advisory for the affected versions of OpenSSH.
Severity: Low (CVSS 3.6/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'OpenSSH' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'OpenSSH' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
OpenSSHを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2025-61985 openssh Fixed in: 10.0_p1-r10
- Debian DEBIAN-CVE-2025-61985 openssh Fixed in: 1:8.4p1-5+deb11u7
- Ubuntu UBUNTU-CVE-2025-61985 openssh
References
- web cve@mitre.org
- web cve@mitre.org
- web cve@mitre.org
- web cert-portal.siemens.com
- web nvd.nist.gov
- web github.com
- web cert-portal.siemens.com