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
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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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