CVE-2017-1000353

CRITICAL9.8

CISA KEV

Published 2018-01-29 · Updated 2026-06-17 · Source cve@mitre.org

Summary

CVE-2017-1000353 is a critical-severity (CVSS 9.8) vulnerability in Jenkins Jenkins. CISA added it to the Known Exploited Vulnerabilities catalog on October 2, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by October 23, 2025. CISA does not currently list it as used in ransomware campaigns. Jenkins has 6 vulnerabilities in the KEV catalog, 1 of them linked to ransomware.

All 6 known-exploited Jenkins vulnerabilities →

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.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-502CWE-502

CISA Known-Exploited Vulnerability

Product: Jenkins — Jenkins

Name: Jenkins Remote Code Execution Vulnerability

Date added: 2025-10-02 · Due: 2025-10-23

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

References

View on NVD

More exploited Jenkins vulnerabilities

Most recently added to CISA KEV

CVE-2024-23897
RANSOMWARE
Jenkins Command Line Interface (CLI) — Jenkins Command Line Interface (CLI) Path Traversal Vulnerability
added 2024-08-19
CVE-2015-5317
Jenkins User Interface (UI) — Jenkins User Interface (UI) Information Disclosure Vulnerability
added 2023-05-12
CVE-2019-1003029
Script Security Plugin — Jenkins Script Security Plugin Sandbox Bypass Vulnerability
added 2022-04-25
CVE-2019-1003030
Matrix Project Plugin — Jenkins Matrix Project Plugin Remote Code Execution Vulnerability
added 2022-03-25
CVE-2018-1000861
Jenkins Stapler Web Framework — Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability
added 2022-02-10

View all →

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