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CVE-2021-33620

Public on 2021-05-28
Modified on 2024-03-01
Description

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.

Severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 squid 2023-02-17 00:02 ALAS-2023-1687
Amazon Linux 2 - Core squid 2023-02-17 00:11 ALAS2-2023-1950
Amazon Linux 2 - Squid4 Extra squid 2023-08-21 20:59 ALAS2SQUID4-2023-004

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H