CVE-2020-11991
HIGHCVSS 7.5/10EPSS 73.08%
Last modified
CVE-2020-11991 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.. EPSS estimates a 73.08% chance of exploitation in the next 30 days.
Description
When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Cocoon | >= 2.1, <= 2.1.12 |
References
- https://lists.apache.org/thread.html/r77add973ea521185e1a90aca00ba9dae7caa8d8b944d92421702bb54%40%3Cusers.cocoon.apache.org%3EExploit, Mailing List, Vendor Advisory
- https://lists.apache.org/thread.html/r77add973ea521185e1a90aca00ba9dae7caa8d8b944d92421702bb54%40%3Cusers.cocoon.apache.org%3EExploit, Mailing List, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-11991?
When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.
How severe is CVE-2020-11991?
CVE-2020-11991 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 73.08% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11991?
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.
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Are you affected by CVE-2020-11991?
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Scan your code nowSource: NVD / NIST