CVE-2021-21604

Aliases:GHSA-qv6f-rcv6-6q3xBIT-jenkins-2021-21604
Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 13 Jan 2021, 15:55
Last modified:03 Aug 2024, 18:16

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
8 HIGH
v3.1 (nvd)
EPSS Score
0.76% LOW
1% probability -0.07%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Jan 2021, 15:55
Published
Vulnerability first disclosed
03 Aug 2024, 18:16
Last Modified
Vulnerability information updated

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.

CVSS Metrics

  • v3.1•HIGH•Score: 8CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6AV:N/AC:M/Au:S/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.76%• Percentile: 74%

Techniques & Countermeasures

  • CWE-502•Deserialization of Untrusted Data

    The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Systems

  • jenkins project•jenkins

    ≥ unspecified, ≤ 2.274 | ≥ unspecified, ≤ LTS 2.263.1

  • Unknown•Jenkins

    ≤ 2.263.1 | ≤ 2.274

  • org.jenkins-ci.main•jenkins-core

    < 2.263.2 | ≥ 2.264, < 2.275

References (4)