CVE-2017-1000353

Jenkins Remote Code Execution

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 99.7%

Published29 Jan 2018
Added to CISA KEV2 Oct 2025
Remediation due23 Oct 2025

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 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Jenkins≤ 2.56 · ≤ 2.46.1

Oracle Communications Cloud Native Core Automated Test Suite1.9.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

References

http://packetstormsecurity.com/files/159266/Jenkins-2.56-CLI-Deserialization-Code-Execution.htmlPermissions RequiredThird Party AdvisoryVDB Entry
https://jenkins.io/security/advisory/2017-04-26/Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-1000353US Government Resource
https://www.exploit-db.com/exploits/41965/ExploitThird Party AdvisoryVDB Entry
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
http://www.securityfocus.com/bid/98056Broken Link

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2017-1000353 being actively exploited?

Yes. CVE-2017-1000353 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2 Oct 2025.

How severe is CVE-2017-1000353?

CVE-2017-1000353 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 99.7% probability of exploitation.

Which products are affected by CVE-2017-1000353?

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

How do I fix CVE-2017-1000353?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-1000353 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.