Jenkins Groovy Plugin - RCE (CVE-2019-1003030)

CVE-2019-1003030 is a high-severity sandbox bypass vulnerability in the Jenkins Pipeline: Groovy Plugin, allowing attackers in control of pipeline scripts to execute arbitrary code on the Jenkins master JVM.

CrowdSec has been tracking this vulnerability and its exploits since 17th of January 2024.

CrowdSec network data shows that most actors exploiting CVE-2019-1003030 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2019-1003030 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2019-1003030 is currently experiencing high visibility and active exploitation across the internet.

Attempts to exploit this issue typically involve manipulating pipeline scripts to trigger unsafe code paths within Jenkins environments.