CVE-2015-8103

Name: CVE-2015-8103
Creator: NVD / NIST
Published: 2015-11-25T20:59:19.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 86.83%

Last modified Jun 17, 2026

CVE-2015-8103 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Jenkins CLI subsystem in Jenkins before 1.638 and LTS before 1.625.2 allows remote attackers to execute arbitrary code via a crafted serialized Java object, related to a problematic webapps/ROOT/WEB-INF/lib/commons-collections-*.jar file and the "Groovy variant in 'ysoserial'".. EPSS estimates a 86.83% chance of exploitation in the next 30 days.

Description

The Jenkins CLI subsystem in Jenkins before 1.638 and LTS before 1.625.2 allows remote attackers to execute arbitrary code via a crafted serialized Java object, related to a problematic webapps/ROOT/WEB-INF/lib/commons-collections-*.jar file and the "Groovy variant in 'ysoserial'".

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

86.83%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Redhat	Openshift Container Platform	2.2
Redhat	Openshift Container Platform	3.1
Jenkins	Jenkins	< 1.625.2
Jenkins	Jenkins	< 1.638

References

http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/#jenkinsExploit
http://packetstormsecurity.com/files/134805/Jenkins-CLI-RMI-Java-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0489.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/09/5Mailing List
http://www.openwall.com/lists/oss-security/2015/11/18/11Mailing List
http://www.openwall.com/lists/oss-security/2015/11/18/13Mailing List
http://www.openwall.com/lists/oss-security/2015/11/18/2Mailing List
http://www.securityfocus.com/bid/77636Broken Link
https://access.redhat.com/errata/RHSA-2016:0070Third Party Advisory
https://jenkins-ci.org/content/mitigating-unauthenticated-remote-code-execution-0-day-jenkins-cliExploit
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-11-11Vendor Advisory
https://www.exploit-db.com/exploits/38983/Exploit, Third Party Advisory, VDB Entry
http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/#jenkinsExploit
http://packetstormsecurity.com/files/134805/Jenkins-CLI-RMI-Java-Deserialization.htmlExploit, Third Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0489.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/09/5Mailing List
http://www.openwall.com/lists/oss-security/2015/11/18/11Mailing List
http://www.openwall.com/lists/oss-security/2015/11/18/13Mailing List
http://www.openwall.com/lists/oss-security/2015/11/18/2Mailing List
http://www.securityfocus.com/bid/77636Broken Link
https://access.redhat.com/errata/RHSA-2016:0070Third Party Advisory
https://jenkins-ci.org/content/mitigating-unauthenticated-remote-code-execution-0-day-jenkins-cliExploit
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-11-11Vendor Advisory
https://www.exploit-db.com/exploits/38983/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Nov 25, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8103?

How severe is CVE-2015-8103?

CVE-2015-8103 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 86.83% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8103?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8103?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST