CVE-2021-21663 json
Missing permission check in Jenkins XebiaLabs XL Deploy Plugin allows capturing credentials
published 2021-06-10 5 y ago modified 2026-06-17 4 mo ago also GHSA-6mpp-cm3v-23vv , EUVD-2022-2826
- cvss
- 4.3
- 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 63%
- public exploits
- 0
- none known
Summary
A missing permission check in Jenkins XebiaLabs XL Deploy Plugin 7.5.8 and earlier allows attackers with Overall/Read 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
1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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-862 Missing Authorization
References
-
jenkins.io
/security/advisory/2021-06-10/#SECURITY-1982
web, third-party-advisory
-
openwall.com
/lists/oss-security/2021/06/10/14
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21663
advisory
-
github.com
/jenkinsci/xldeploy-plugin
package
Sources
- CVE List CVE-2021-21663
- GitHub Advisory GHSA-6mpp-cm3v-23vv
- NVD CVE-2021-21663
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