HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2022-08-25Vulnerability
CVE-2020-28949
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.
Properties
- Vulnerability name
- PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
- First seen
- 2025-10-21T23:35:32+00:00
- Cvss score
- 7.8
- Epss score
- 0.84554
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-09-15
- Euvd assigner
- mitre
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2022-08-25T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2022-08-25
- Score
- 7.8
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 7.8
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Vendor project
- PEAR
Related Entities (10)
AFFECTS_PRODUCT (8)
DESCRIBES (1)
INVOLVES (1)
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