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Case File

CVE-2021-21408

HIGH · CVSS 8.8 EPSS 2.22% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-10 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-21408
Severity
HIGH
CVSS
8.8
EPSS
2.22%

Original NVD 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.