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CVE-2021-21705

Опубликовано: 01 окт. 2025
Источник: msrc
CVSS3: 4.3
EPSS Низкий

Описание

Incorrect URL validation in FILTER_VALIDATE_URL

FAQ

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?

One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.

EPSS

Процентиль: 23%
0.00079
Низкий

4.3 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.3
ubuntu
больше 4 лет назад

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.

CVSS3: 5.3
redhat
больше 4 лет назад

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.

CVSS3: 4.3
nvd
больше 4 лет назад

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.

CVSS3: 4.3
debian
больше 4 лет назад

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below ...

suse-cvrf
больше 4 лет назад

Security update for php7

EPSS

Процентиль: 23%
0.00079
Низкий

4.3 Medium

CVSS3