CVE-2021-21639

Aliases:GHSA-pvwx-3jx5-24r2BIT-jenkins-2021-21639
Advisory lineage Upstream: 0 Downstream: 2
Modified
Published: 07 Apr 2021, 13:50
Last modified:03 Aug 2024, 18:16

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.3 MEDIUM
v3.1 (nvd)
EPSS Score
0.7% LOW
1% probability -0.24%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

07 Apr 2021, 13:50
Published
Vulnerability first disclosed
03 Aug 2024, 18:16
Last Modified
Vulnerability information updated

Description

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.70%• Percentile: 72%

Affected Systems

  • jenkins project•jenkins

    ≥ unspecified, ≤ 2.286 | ≥ unspecified, ≤ LTS 2.277.1

  • Unknown•Jenkins

    ≤ 2.277.1 | ≤ 2.286

  • org.jenkins-ci.main•jenkins-core

    < 2.277.2 | ≥ 2.278, < 2.287

References (5)