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Fencer Vulns
medium 4.3

CVE-2024-39459 json

Secret file credentials stored unencrypted in rare cases by Plain Credentials Plugin

published 2024-06-26 2 y ago modified 2026-06-17 4 mo ago also GHSA-3cpq-rw36-cppv , EUVD-2024-1897

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

In rare cases Jenkins Plain Credentials Plugin 182.v468b_97b_9dcb_8 and earlier stores secret file credentials unencrypted (only Base64 encoded) on the Jenkins controller file system, where they can be viewed by users with access to the Jenkins controller file system (global credentials) or with Item/Extended Read permission (folder-scoped credentials).

Patch / fix

  • maven org.jenkins-ci.plugins:plain-credentials 183.va

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-2024-39459 updated cvss 6.5

jenkins: plain-credentials: Improper storage of credentials

  • Red Hat OpenShift Developer Tools and Services jenkins-2-plugins Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins
    affected: no fix planned “Will not fix”

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.plugins:plain-credentials
<183.va
183.va

Affected products

  • Jenkins Project Jenkins Plain Credentials Plugin

Classification

Weakness
  • CWE-922 Insecure Storage of Sensitive Information
  • CWE-319 Cleartext Transmission of Sensitive Information

References

Sources

Fencer Vulns 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.