CVE-2015-8103

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because EPSS predicts 87% probability of exploitation within the next 30 days (top 0.3% of all CVEs). NVD baseline CVSS 9.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • 11 internet-exposed hosts are running an affected version right now
  • High exploitation likelihood — EPSS 87%
CISA-KEV: Not listedEPSS: 87%CVSS: 9.8Exploit: NoneExposed: 11

A fix is available — apply it.

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'".

Live · internet exposure

11 internet-exposed hosts are running an affected version of CVE-2015-8103 right now.

across 6 countries (United States, China, Indonesia, Netherlands, United Arab Emirates)top: jenkins
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
99.7%
KEV
Not listed

Published

November 25, 2015

Last Modified

May 6, 2026

Advisory Details (10)

Auto-updated May 7, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: redhat.
generic
https://jenkins-ci.org/content/mitigating-unauthenticated-remote-code-execution-0-day-jenkins-cli
redhat Patch Available
https://access.redhat.com/errata/RHSA-2016:0070
generic
http://www.securityfocus.com/bid/77636
generic

oss-security - Re: CVE request: Jenkins remote code execution vulnerability due to unsafe deserialization

http://www.openwall.com/lists/oss-security/2015/11/18/2
generic

oss-security - Re: CVE request: Jenkins remote code execution vulnerability due to unsafe deserialization

http://www.openwall.com/lists/oss-security/2015/11/18/13
generic

oss-security - Re: Re: CVE request: Jenkins remote code execution vulnerability due to unsafe deserialization

http://www.openwall.com/lists/oss-security/2015/11/18/11
generic

oss-security - CVE request: Jenkins remote code execution vulnerability due to unsafe deserialization

http://www.openwall.com/lists/oss-security/2015/11/09/5
generic
http://rhn.redhat.com/errata/RHSA-2016-0489.html
generic

Packet Storm

http://packetstormsecurity.com/files/134805/Jenkins-CLI-RMI-Java-Deserialization.html
generic🔴 Active Exploitation

What Do WebLogic, WebSphere, JBoss, Jenkins, OpenNMS, and Your Application Have in Common? This Vulnerability.

http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/#jenkins

Vendor Advisories for CVE-2015-8103(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrubygem-openshift-origin-node-0:1.38.5.3-1.el6op2016-03-22redhat
redhatorigin-kibana-0:0.5.0-1.el7aos2016-01-26redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.jenkins-ci.main:cli1.626 ... 1.637 (12 versions)1.638—

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× in last 7d / 18× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 21:59 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 15:21 UTCEPSS rescore
  4. 2026-07-21 15:21 UTCEPSS rescore
  5. 2026-07-19 14:27 UTCEPSS rescore
  6. 2026-07-19 14:27 UTCEPSS rescore
  7. 2026-07-19 02:26 UTCEPSS rescore
  8. 2026-07-19 02:26 UTCEPSS rescore
  9. 2026-07-15 16:54 UTCEPSS rescore
  10. 2026-07-15 16:54 UTCEPSS rescore
  11. 2026-07-12 05:42 UTCEPSS rescore
  12. 2026-07-04 06:28 UTCEPSS rescore
  13. 2026-06-30 23:19 UTCEPSS rescore
  14. 2026-06-30 23:19 UTCEPSS rescore
  15. 2026-06-27 03:05 UTCEPSS rescore
  16. 2026-06-24 14:02 UTCEPSS rescore
  17. 2026-06-24 14:02 UTCEPSS rescore
  18. 2026-06-23 21:30 UTCEPSS rescore
  19. 2026-06-18 17:50 UTCEPSS rescore
  20. 2026-06-17 17:50 UTCEPSS rescore
  21. 2026-06-17 17:49 UTCEPSS rescore
  22. 2026-06-15 17:45 UTCEPSS rescore
  23. 2026-06-13 22:57 UTCEPSS rescore
  24. 2026-06-12 23:09 UTCEPSS rescore
  25. 2026-06-12 23:09 UTCEPSS rescore
Show 32 more
  1. 2026-06-11 13:57 UTCEPSS rescore
  2. 2026-06-11 13:57 UTCEPSS rescore
  3. 2026-06-10 13:18 UTCEPSS rescore
  4. 2026-06-08 14:14 UTCEPSS rescore
  5. 2026-06-06 13:45 UTCEPSS rescore
  6. 2026-06-05 22:44 UTCEPSS rescore
  7. 2026-06-05 06:08 UTCEPSS rescore
  8. 2026-06-05 06:08 UTCEPSS rescore
  9. 2026-06-04 13:10 UTCEPSS rescore
  10. 2026-06-04 13:10 UTCEPSS rescore
  11. 2026-06-01 13:49 UTCEPSS rescore
  12. 2026-06-01 13:49 UTCEPSS rescore
  13. 2026-05-31 00:14 UTCEPSS rescore
  14. 2026-05-29 13:41 UTCEPSS rescore
  15. 2026-05-28 13:42 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-26 13:41 UTCEPSS rescore
  18. 2026-05-22 21:15 UTCEPSS rescore
  19. 2026-05-20 22:37 UTCEPSS rescore
  20. 2026-05-20 22:37 UTCEPSS rescore
  21. 2026-05-20 09:47 UTCVendor advisory
  22. 2026-05-20 05:40 UTCVendor advisory
  23. 2026-05-20 01:33 UTCVendor advisory
  24. 2026-05-19 21:26 UTCVendor advisory
  25. 2026-05-19 17:19 UTCVendor advisory
  26. 2026-05-19 13:12 UTCVendor advisory
  27. 2026-05-19 09:05 UTCVendor advisory
  28. 2026-05-19 04:57 UTCVendor advisory
  29. 2026-05-19 00:50 UTCEG score recompute
  30. 2026-05-19 00:50 UTCVendor advisory
  31. 2026-05-18 21:30 UTCEPSS rescore
  32. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (3 Metasploit modules) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-38983✓ verified
    First seen Dec 15, 2015

    Jenkins CLI - RMI Java Deserialization (Metasploit)

    Open source ↗
  • Metasploitexploit/linux/misc/jenkins_java_deserialize✓ verified
    First seen Nov 18, 2015

    Jenkins CLI RMI Java Deserialization Vulnerability

    Open source ↗
  • Metasploitexploit/linux/misc/opennms_java_serialize✓ verified
    First seen Nov 6, 2015

    OpenNMS Java Object Unserialization Remote Code Execution

    Open source ↗
  • Metasploitauxiliary/scanner/http/jenkins_command✓ verified
    First seen Jan 1, 2015

    Jenkins-CI Unauthenticated Script-Console Scanner

    Open source ↗

Related CVEs(same vendor)

Frequently asked(5)

What is CVE-2015-8103?
CVE-2015-8103 is a critical vulnerability published on November 25, 2015. 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'".
When was CVE-2015-8103 disclosed?
CVE-2015-8103 was first published in the National Vulnerability Database on November 25, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-8103 actively exploited?
CVE-2015-8103 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2015-8103?
CVE-2015-8103 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2015-8103?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8103, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2015-8103

Explore →

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