vulnerability
PHP Vulnerability: CVE-2021-21706
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Oct 4, 2021 | Nov 30, 2021 | Mar 30, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Oct 4, 2021
Added
Nov 30, 2021
Modified
Mar 30, 2026
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.
Solutions
php-upgrade-7_3_30php-upgrade-7_4_23php-upgrade-8_0_10
Rapid7 Labs
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