CVE-2021-21705

Public on 2021-09-02
Modified on 2023-06-09
Description

PHP: SSRF bypass in FILTER_VALIDATE_URL

Severity
Medium
See what this means
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Php8.0 Extra php 2023-09-13 ALAS2PHP8.0-2023-008
Amazon Linux 1 php73 2021-09-08 ALAS-2021-1532

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
NVD CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2021-21705 Mitre: CVE-2021-21705