CVE-2021-21706

MEDIUM

Php < 7.3.31 - Path Traversal

Title source: rule
STIX 2.1

Description

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

Scores

CVSS v3 5.3
EPSS 0.0053
EPSS Percentile 67.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Details

CWE
CWE-22 CWE-24
Status published
Products (1)
php/php 7.3.0 - 7.3.31
Published Oct 04, 2021
Tracked Since Feb 18, 2026