Vulnerability Details : CVE-2021-21619
Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers who are able to control the display names of Jenkins users, either via the security realm, or directly inside Jenkins.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-21619
- cpe:2.3:a:jenkins:claim:*:*:*:*:*:jenkins:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21619
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21619
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-21619
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- jenkinsci-cert@googlegroups.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-21619
-
https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%281%29
Jenkins Security Advisory 2021-02-24Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2021/02/24/3
oss-security - Multiple vulnerabilities in Jenkins pluginsMailing List;Third Party Advisory
-
https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20(1)
Jenkins Security Advisory 2021-02-24Vendor Advisory
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