CVE-2024-23898
Cross-site WebSocket hijacking vulnerability in the Jenkins CLI
8.8
HIGH
CVSS 3.1
EPSS 66.9%
Description
Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.
How to fix CVE-2024-23898
To remediate CVE-2024-23898, upgrade the affected package to a fixed version below.
- —upgrade to 2.452.1 or later
- —upgrade to 2.426.3 or later
Is CVE-2024-23898 being exploited?
Likely — EPSS is 66.9%, placing CVE-2024-23898 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- >= 2.217.0, < 2.452.1
- >= 2.217, < 2.426.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |