August 25, 2022 · Applied Cybernetics Group
CVE-2020-36193 — PEAR Archive_Tar
PEAR Archive_Tar Improper Link Resolution Vulnerability
- Added to KEV
2022-08-25- Federal due date
2022-09-15- Vendor
- PEAR
- Product
- Archive_Tar
- EPSS
- 98.7th percentile (score 0.711, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-36193
CISA short description
PEAR Archive_Tar Tar.php allows write operations with directory traversal due to inadequate checking of symbolic links. PEAR stands for PHP Extension and Application Repository and it is an open-source framework and distribution system for reusable PHP components with known usage in third-party products such as Drupal Core and Red Hat Linux.
Required action
Apply updates per vendor instructions.