CVE-2020-28949
PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
IN CISA KEV
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.
- Vendor
- PEAR
- Product
- Archive_Tar
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-74
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2022-08-25
- Due date
- 2022-09-15
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
84.6% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.