CVE-2021-21408

HIGH

Smarty < 3.1.43 - Improper Input Validation

Title source: rule
STIX 2.1

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 v3 8.8
EPSS 0.0047
EPSS Percentile 64.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (7)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
fedoraproject/fedora 36
fedoraproject/fedora 37
smarty/smarty < 3.1.43
smarty/smarty 0 - 3.1.43Packagist
Published Jan 10, 2022
Tracked Since Feb 18, 2026