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Case File

CVE-2021-21706

MEDIUM · CVSS 5.3 EPSS 1.44%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-04 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. It affects Microsoft, Windows.

CVE
CVE-2021-21706
Severity
MEDIUM
CVSS
5.3
EPSS
1.44%
Microsoft Windows

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)