CVE-2021-21701
MEDIUMCVSS 6.5/10EPSS 1.67%
Last modified
CVE-2021-21701 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Jenkins Performance Plugin 3.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.
Description
Jenkins Performance Plugin 3.20 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:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Performance | <= 3.20 |
References
- http://www.openwall.com/lists/oss-security/2021/11/12/1Mailing List, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1313/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/11/12/1Mailing List, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1313/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21701?
Jenkins Performance Plugin 3.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
How severe is CVE-2021-21701?
CVE-2021-21701 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21701?
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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- CVE-2021-21702In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8…7.5
- CVE-2021-21703In PHP versions 7.3.x up to and including 7.3.31, 7.4.x belo…7
- CVE-2021-21704In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8…5.9
- CVE-2021-21705In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8…5.3
- CVE-2021-21706In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8…6.5
- CVE-2021-21707In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8…5.3
Are you affected by CVE-2021-21701?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST