CVE-2021-21664 json
Incorrect permission check in XebiaLabs XL Deploy Plugin allows capturing credentials
published 2021-06-10 5 y ago modified 2026-06-17 4 mo ago also GHSA-jm4g-8rvq-v87j , EUVD-2022-4397
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
An incorrect permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Generic Create permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.
Patch / fix
- maven com.xebialabs.deployit.ci:deployit-plugin 10.0.2
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.xebialabs.deployit.ci:deployit-plugin | <10.0.2 |
10.0.2 |
Affected products
- Jenkins project Jenkins XebiaLabs XL Deploy Plugin
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/jenkinsci/xldeploy-plugin/commit/79ae204d2ee6cd94badf4c24a150cee13a3bde44
web
-
jenkins.io
/security/advisory/2021-06-10/#SECURITY-1982
web, vendor-advisory
-
openwall.com
/lists/oss-security/2021/06/10/14
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21664
advisory
-
github.com
/jenkinsci/xldeploy-plugin
package
Sources
- CVE List CVE-2021-21664
- GitHub Advisory GHSA-jm4g-8rvq-v87j
- NVD CVE-2021-21664
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