CVE-2021-21642
HIGHCVSS 8.1/10EPSS 37.83%
Last modified
CVE-2021-21642 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.. EPSS estimates a 37.83% chance of exploitation in the next 30 days.
Description
Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Config File Provider | <= 3.7.0 |
References
- http://www.openwall.com/lists/oss-security/2021/04/21/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/21/2Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21642?
Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
How severe is CVE-2021-21642?
CVE-2021-21642 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 37.83% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21642?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-21642?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST