CVE-2021-21623

Aliases:GHSA-96jw-3xw4-mq9p
Advisory lineage Upstream: 0 Downstream: 1
Downstream
RHSA-2021:2437
Modified
Published: 18 Mar 2021, 13:35
Last modified:03 Aug 2024, 18:16

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.1% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Mar 2021, 13:35
Published
Vulnerability first disclosed
03 Aug 2024, 18:16
Last Modified
Vulnerability information updated

Description

An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.10%• Percentile: 27%

Techniques & Countermeasures

  • CWE-863•Incorrect Authorization

    The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Affected Systems

  • jenkins project•jenkins matrix authorization strategy plugin

    ≥ unspecified, ≤ 2.6.5

  • jenkins•matrix_authorization_strategy

    ≤ 2.6.5

  • org.jenkins-ci.plugins•matrix-auth

    < 2.6.6

References (5)