CVE-2016-9299
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 96.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 96.94% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 17 May 2018
- CISA KEV
- Not listed
- Weakness
- CWE-90
- Affected
- jenkins/jenkins · fedoraproject/fedora
- Source
- cve@mitre.org
EPSS moved from 86.9% on 21 September 2026 to 96.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.openwall.com/lists/oss-security/2016/11/12/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/14/9Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94281Third Party Advisory, VDB Entry
- http://www.slideshare.net/codewhitesec/java-deserialization-vulnerabilities-the-forgotten-bug-class-deepsec-editionThird Party Advisory
- https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/GRvEzWoJBgAJ
- https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/LZ7EOS0fBgAJ
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW2KUKYLNLVDB7STLHLYALCUFLEGCRM6/
- https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-11-16Vendor Advisory
- https://www.cloudbees.com/jenkins-security-advisory-2016-11-16Vendor Advisory
- https://www.exploit-db.com/exploits/44642/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2016/11/12/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/11/14/9Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94281Third Party Advisory, VDB Entry
- http://www.slideshare.net/codewhitesec/java-deserialization-vulnerabilities-the-forgotten-bug-class-deepsec-editionThird Party Advisory
- https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/GRvEzWoJBgAJ
- https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/LZ7EOS0fBgAJ
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW2KUKYLNLVDB7STLHLYALCUFLEGCRM6/
- https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-11-16Vendor Advisory
- https://www.cloudbees.com/jenkins-security-advisory-2016-11-16Vendor Advisory
- https://www.exploit-db.com/exploits/44642/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.