CVE-2017-1000353 Jenkins Remote Code Execution

What is CVE-2017-1000353?

CVE-2017-1000353 is a critical unsafe deserialization vulnerability in Jenkins Jenkins, published on 29 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-502

Which versions are affected by CVE-2017-1000353?

4 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 2 products.

Products include Jenkins Jenkins, Oracle Communications Cloud Native Core Automated Test Suite.

How do I fix CVE-2017-1000353?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.46.2 or 2.57. US federal agencies must fix it by 23 Oct 2025.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2017-1000353 being exploited?

Yes. Attackers have exploited CVE-2017-1000353 in the wild since at least 2 Oct 2025.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 2 proofs of concept on GitHub.

Other vulnerabilities in Jenkins Jenkins

• CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal Exploited Critical 9.8
• CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data Exploited Critical 9.8
• CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure Exploited High 7.5
• CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins Critical 9.8
• CVE-2021-21691 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins Critical 9.8

All Jenkins Jenkins vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-26wc-3wqp-g3rp.