CVE-2020-2231 EXPLOIT
5.4
MEDIUM · CVSS 3.1 · EPSS 5.3% (pctl 92)
Patch early
A public exploit exists.
Description
Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via 'Trigger builds remotely', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Job/Configure permission or knowledge of the Authentication Token.
Scoring
| CVSS | 5.4 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 5.3% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-08-12 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| jenkins | jenkins |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Jenkins 2.235.3 - 'X-Forwarded-For' Stored XSS | 2020-12-14 |
References
- http://packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.html
- http://www.openwall.com/lists/oss-security/2020/08/12/4
- https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960
- http://packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.html
- http://www.openwall.com/lists/oss-security/2020/08/12/4
- https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960
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