CVE-2017-1000353

Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an unauthenticated remote code execution. An unauthenticated remote code execution vulnerability allowed attackers to transfer a serialized Java `SignedObject` object to the Jenkins CLI, that would be deserialized using a new `ObjectInputStream`, bypassing the existing blacklist-based protection mechanism. We're fixing this issue by adding `SignedObject` to the blacklist. We're also backporting the new HTTP CLI protocol from Jenkins 2.54 to LTS 2.46.2, and deprecating the remoting-based (i.e. Java serialization) CLI protocol, disabling it by default.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cve@mitre.org

Published

2018-01-29

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2025-10-02, action due 2025-10-23: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

CWE-502

Affected products

• Jenkins (Jenkins)
• Communications Cloud Native Core Automated Test Suite (Oracle)

References

• http://packetstormsecurity.com/files/159266/Jenkins-2.56-CLI-Deserialization-Code-Execution.html
• http://www.securityfocus.com/bid/98056
• https://jenkins.io/security/advisory/2017-04-26/
• https://www.exploit-db.com/exploits/41965/
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-1000353