published November 25, 2015
NVD has not assigned a CVSS score to this record. It sits in the 99.7th percentile for exploit probability.
⚠️ A crafted serialized Java object is all it takes for an attacker to exploit the Jenkins CLI subsystem! 🚨 Think of it like a sneaky delivery that bypasses security checks, delivering a package full of trouble right into the server’s lap—all because the shipping instructions were never verified. If an attacker successfully executes this exploit, they could run arbitrary code on your Jenkins server, potentially compromising sensitive data or disrupting critical operations. It’s like handing over the keys to your digital fortress, allowing them to wreak havoc without a second thought.
Think of it like a sneaky delivery that bypasses security checks, delivering a package full of trouble right into the server’s lap—all because the shipping instructions were never verified. This vulnerability in Jenkins allows attackers to execute arbitrary code by sending a specially crafted serialized Java object, particularly related to the commons-collections library and its Groovy variant in 'ysoserial'. It opens a door for remote code execution in vulnerable versions before 1.638.
If an attacker successfully executes this exploit, they could run arbitrary code on your Jenkins server, potentially compromising sensitive data or disrupting critical operations. It’s like handing over the keys to your digital fortress, allowing them to wreak havoc without a second thought. To protect your Jenkins installation, immediately upgrade to versions 1.638 or later, or to LTS version 1.625.2 and above. Ensure all instances have been patched, and regularly audit your security settings to avoid future vulnerabilities. 🛡️ You've got this! Protecting your Jenkins environment is key, and with these updates, you'll seal that vulnerability tight! 🔒✨