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Fencer Intel
critical 9.3

CVE-2019-10309 json

Jenkins Self-Organizing Swarm Plug-in Modules Plugin XXE vulnerability via UDP broadcast response

published 7y ago modified 4mo ago also GHSA-w898-3ph8-5pgm , EUVD-2022-5531

cvss
9.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

Jenkins Self-Organizing Swarm Plug-in Modules Plugin clients that use UDP broadcasts to discover Jenkins masters do not prevent XML External Entity processing when processing the responses, allowing unauthorized attackers on the same network to read arbitrary files from Swarm clients.

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Exploit prediction

1.79% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.3 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
NVD 2.0 4.8 AV:A/AC:L/Au:N/C:P/I:N/A:P
GitHub 3.0 6.1 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.plugins:swarm
<=3.15
no fix listed

Affected products

  • Jenkins project Jenkins Self-Organizing Swarm Plug-in Modules Plugin

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

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.