CVE-2019-1003029
Published: April 25, 2022
Official Description
Jenkins Script Security Plugin contains a protection mechanism failure, allowing an attacker to bypass the sandbox.
CISA KEV Advisory
Jenkins Script Security Plugin Sandbox Bypass Vulnerability
Jenkins Script Security Plugin contains a protection mechanism failure, allowing an attacker to bypass the sandbox.
Apply updates per vendor instructions.
Risk Analysis
This vulnerability in the Jenkins Script Security Plugin allows an attacker to bypass the sandbox protection mechanism. With an EPSS score of 0.92647 and its inclusion in CISA's KEV, this flaw is highly likely to be exploited and poses a significant risk to Jenkins environments.
This vulnerability is actively exploited in the wild and is listed in CISA's KEV, confirming its active use by threat actors. This indicates a critical and immediate threat to Jenkins instances.
Update the Jenkins Script Security Plugin to the latest patched version to address the sandbox bypass vulnerability. Regularly review and restrict script execution permissions within Jenkins.
Technical Analysis
CVE-2019-1003029 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-1003029 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-1003029 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1