High severity · published Jan 24, 2024
CVE-2024-23898
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,…
8.8
CVSS
67.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)67.2% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
2.217 through 2.441; 2.222.1 through 2.426.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23898
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23898
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/24/6
Vendor Advisory
https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3315
www.sonarsource.com
https://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/
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