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CVE-2023-37942 Jenkins External Monitor Job Type

Affected softwareJenkins External Monitor Job Type
Severity6.5 Medium CVSS 3.1
Fixed in207.v98a
WeaknessXML external entity (XXE) (CWE-611)
Published12 Jul 2023
Updated17 Jun 2026

Description

Jenkins External Monitor Job Type Plugin 206.v9a_94ff0b_4a_10 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 3 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.61% chance in 30 days

Waratek protection

Protected by Waratek

Waratek has a rule that blocks attacks on this vulnerability.

  • Protection full XXE
  • Action available security rule
  • Review automated Inferred
  • Record active
Decided by A vulnerability class already blocked by an ARMR security rule
Finding Protected by Waratek's ARMR xxe security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-611: XML External Entity Reference.

How to mitigate CVE-2023-37942

Upgrade Jenkins External Monitor Job Type to 207.v98a or later. Until you can, Waratek RASP blocks exploitation with its XXE rule. It runs inside the Java application, with no code changes.

Waratek RASP Runtime protection for Java applications

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.jenkins-ci.plugins:external-monitor-job 0 207.v98a unbounded

Products and versions

2 products, 2 version entries
SourceVendorProductSchemeAffected versions
nvd jenkins external monitor job type generic ≤ 206.9.94.0.4.10
osv org.jenkins-ci.plugins external-monitor-job generic < 207.98

References

URLTags
https://www.jenkins.io/security/advisory/2023-07-12/#SECURITY-3133 WEB
http://www.openwall.com/lists/oss-security/2023/07/12/2 WEB

Timeline

Published2023-07-12By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.