CVE-2021-24032
Last modified
CVE-2021-24032 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and restricted those permissions immediately afterwards. Output files could therefore momentarily be readable or writable to unintended parties.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and restricted those permissions immediately afterwards. Output files could therefore momentarily be readable or writable to unintended parties.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zstandard | >= 1.4.1, < 1.4.9 |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982519Patch, Third Party Advisory
- https://github.com/facebook/zstd/issues/2491Issue Tracking, Patch, Third Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24032Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982519Patch, Third Party Advisory
- https://github.com/facebook/zstd/issues/2491Issue Tracking, Patch, Third Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24032Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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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