CVE-2021-29454 Vulnerability Details

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CVE-2021-29454 Metadata Quick Info

CVE Published: 10/01/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: GitHub_M | Vendor: smarty-php | Product: smarty
Status : PUBLISHED

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CVE-2021-29454 Description

Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.42 and 4.0.2, template authors could run arbitrary PHP code by crafting a malicious math string. If a math string was passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string. Users should upgrade to version 3.1.42 or 4.0.2 to receive a patch.

Metrics

CVSS Version: 3.1 | Base Score: 8.1 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* REQUIRED
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* HIGH
    Integrity Impact (I)* HIGH
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-74
CWE Name: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ( Injection )
Source: smarty-php

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).