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CVE-2017-1000353

critical CVSS 9.8 Exploited in the wild EPSS 99.7%

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.

Versions it affects

Software versions checked with the free lookup that CVE-2017-1000353 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509

At a glance

Severity
Critical
CVSS base score
9.8 out of 10
Known exploited
Yes: listed in CISA's catalogue of vulnerabilities exploited in the wild
EPSS
99.7% probability of exploitation in the next 30 days, higher than 100% of scored vulnerabilities
Weakness
CWE-502
Published
2018-01-29
NVD CVE.org

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