CVE-2021-21408
Access to restricted PHP code by dynamic static class access in smarty
- State
- Published
- Severity
- 8.8 High
- Published
- Jan 10, 2022
- Updated
- Apr 23, 2025
- Reserved
- Dec 22, 2020
Description
Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.43 and 4.0.3, template authors could run restricted static php methods. Users should upgrade to version 3.1.43 or 4.0.3 to receive a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | GitHub_M |
Weaknesses
- CWE-20 Improper Input Validation
Affected Products
| Product | Versions |
|---|---|
smartysmarty-php |
|
References
- https://github.com/smarty-php/smarty/security/advisories/GHSA-4h9c-v5vg-5m6m
- https://github.com/smarty-php/smarty/commit/19ae410bf56007a5ef24441cdc6414619cfaf664
- https://github.com/smarty-php/smarty/releases/tag/v3.1.43
- https://github.com/smarty-php/smarty/releases/tag/v4.0.3
- [debian-lts-announce] 20220505 [SECURITY] [DLA 2995-1] smarty3 security updatemailing-list
- DSA-5151vendor-advisory
- GLSA-202209-09vendor-advisory
- FEDORA-2022-52154efd61vendor-advisory
- FEDORA-2022-d5fc9dcdd7vendor-advisory
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