Coverage › CVE-2020-28949
CVE-2020-28949 Unmapped
PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
- Vendor / product
- PEAR — Archive_Tar
- Description (CISA)
- PEAR Archive_Tar allows an unserialization attack because phar: is blocked but PHAR: is not blocked. 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.
- Added to KEV
- 2022-08-25
- Due date
- 2022-09-15
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Unknown
- CWE
- CWE-74
- CISA notes
- https://pear.php.net/bugs/bug.php?id=27002, https://www.drupal.org/sa-core-2020-013, https://access.redhat.com/security/cve/cve-2020-28949
https://nvd.nist.gov/vuln/detail/CVE-2020-28949 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2020-28949. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-74) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.