CVE-2021-21639

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.

Risk Information

Base Score

4.3

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.942

Associated Vulnerability

Vulnerability	OS Platform
Vulnerability CVE-2021-21639,CVE-2021-21640 are affected in Jenkins 2.276	Windows
Vulnerabilities CVE-2021-21639,CVE-2021-21640 are fixed in Jenkins-Core 2.287	Windows
Vulnerabilities CVE-2021-21639,CVE-2021-21640 are fixed in Jenkins-Core 2.277.2	Windows
Vulnerabilities CVE-2021-21639,CVE-2021-21640 are fixed in Jenkins-Core for Linux 2.287	Linux
Vulnerabilities CVE-2021-21639,CVE-2021-21640 are fixed in Jenkins-Core for Linux 2.277.2	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234