CVE-2021-21623

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

http://www.openwall.com/lists/oss-security/2021/03/18/5

https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180

Details

Source: MITRE

Published: 2021-03-18

Updated: 2021-03-23

Type: CWE-863

Risk Information

CVSS v2

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:jenkins:matrix_authorization_strategy:*:*:*:*:*:jenkins:*:* versions up to 2.6.5 (inclusive)

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
155633Jenkins Enterprise and Operations Center < 2.222.43.0.3 rev2 / 2.249.30.0.3 rev2 / 2.277.1.2 rev2 Multiple Vulnerabilities (CloudBees Security Advisory 2021-03-18)NessusCGI abuses
high
152103RHEL 7 / 8 : OpenShift Container Platform 4.8.2 packages and (RHSA-2021:2437)NessusRed Hat Local Security Checks
high