CVE-2021-21705

Description

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially leading to other security implications - like contacting a wrong server or making a wrong access decision.

References

https://www.oracle.com/security-alerts/cpujan2022.html

https://security.netapp.com/advisory/ntap-20211029-0006/

https://security.gentoo.org/glsa/202209-20

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3