CVE-2021-37701: Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic links
Overview
- Severity
- High (CVSS 8.2)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-08-07
- EPSS Score
- 3.29% (percentile: 87.3%)
Affected Products (2)
Open Source Software
- azl3 tar 1.35-2 on Azure Linux 3.0
- cbl2 tar 1.34-3
Revision History
- 2026-08-07: Information published.