VDB
CVE-2021-24031
CVE-2021-24031
PUBLISHED
CVSS 5.5 MEDIUM
In the Zstandard command-line utility prior to v1.4.1, output files were created with default permissions. Correct file permissions (matching the input) would only be set at completion time. Output files could therefore be readable or writable to unintended parties.
EPSS 0.47% · 39.0th percentile
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.47%
39.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | libzstd | 0, 1.3.1+dfsg-1, 1.3.2+dfsg2-1 |
| Ubuntu:Pro:16.04:LTS | libzstd | *, 0.4.5-1, 0.5.1-1 |
| Ubuntu:20.04:LTS | libzstd | 1.4.4+dfsg-1, 1.4.4+dfsg-3, * |
Timeline
- Feb 10, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Oct 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 6, 2022 EPSS Score
- Jul 9, 2022 EPSS Score
- Sep 11, 2022 EPSS Score
References
- https://www.cve.org/CVERecord?id=CVE-2021-24031 third-party-advisory
- https://ubuntu.com/security/CVE-2021-24031 advisory
- https://ubuntu.com/security/notices/USN-4760-1 advisory
- https://ubuntu.com/security/notices/USN-5720-1 advisory