CVE‑2017‑1000353: Jenkins Remote Code Execution Vulnerability
What It Is – A deserialization flaw in the Jenkins CLI allows an attacker to send a crafted Java SignedObject that is deserialized without proper validation, resulting in remote code execution on the Jenkins master.
Exploitability – Public proof‑of‑concept exists; the vulnerability is rated CVSS v3.1 9.8 (Critical).
Affected Products – Jenkins server (all versions prior to the 2.46 security release).
Why It Matters for Trust & Control Assurance
- Continuous vulnerability scanning and timely patching are core evidence for a robust vulnerability‑management control.
- Documented remediation (patch logs, configuration changes) provides a defensible audit trail that enterprise buyers demand.
- Mapping this fix to a control objective demonstrates compliance readiness across multiple frameworks (e.g., NIST CSF Identify & Protect).
Recommended Actions
- Upgrade Jenkins to version 2.46 or later, which contains the fix for CVE‑2017‑1000353.
- Disable remote CLI access if it is not required, or restrict it to trusted network zones.
- Run an inventory sweep and vulnerability scan to confirm no unpatched instances remain.
- Capture patch‑installation logs and update your control‑mapping repository to reflect remediation.
Source: CISA KEV – CVE‑2017‑1000353