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Fencer Intel
critical 9.8

CVE-2016-9299 in the critical feed json

Improper Neutralization of Special Elements used in an LDAP Query in Jenkins

published 2017-01-12 9 y ago modified 2026-06-17 4 mo ago also GHSA-2x9h-h3c4-wqqh , EUVD-2022-2070

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
96.9%
EPSS 96.9% chance of exploitation in 30 days, percentile 99.8%
public exploits
2
Metasploit, Exploit-DB

Summary

The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers to execute arbitrary code via a crafted serialized Java object, which triggers an LDAP query to a third-party server.

Patch / fix

  • maven org.jenkins-ci.main:jenkins-core 2.19.3, 2.32

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-9299 updated cvss 8.1

jenkins: Java deserialization flaw leads to RCE

  • Red Hat OpenShift Enterprise 2 jenkins Red Hat OpenShift Enterprise 3 jenkins
    under investigation

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/linux/misc/jenkins_ldap_deserialize)
  2. Published

Exploit prediction

96.94% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.main:jenkins-core
>=2.20, <2.32
<2.19.3
2.32
2.19.3

Classification

Weakness
  • CWE-90 Improper Neutralization of Special Elements used in an LDAP Query
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.