CVE-2020-21913
MEDIUMCVSS 5.5/10EPSS 1.13%
Last modified
CVE-2020-21913 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.
Description
International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Unicode | International Components For Unicode | < 66.1 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- https://github.com/unicode-org/icu/pull/886Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00008.htmlMailing List, Third Party Advisory
- https://unicode-org.atlassian.net/browse/ICU-20850Exploit, Vendor Advisory
- https://www.debian.org/security/2021/dsa-5014Third Party Advisory
- https://github.com/unicode-org/icu/pull/886Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00008.htmlMailing List, Third Party Advisory
- https://unicode-org.atlassian.net/browse/ICU-20850Exploit, Vendor Advisory
- https://www.debian.org/security/2021/dsa-5014Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-21913?
International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.
How severe is CVE-2020-21913?
CVE-2020-21913 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.
How do I fix CVE-2020-21913?
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-2020-21913?
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Scan your code nowSource: NVD / NIST