CVE-2021-33620 - CVE House
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Status published Medium CVE-2021-33620

Squid before 4.15 and 5.x before 5.0.6 allows remote servers...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

squid-cache

View all reports →

Affected Software

squid, fedora, debian linux
Vulnerable Versions:
0, 5.0, 33, 34, 9.0

Timeline

Official Publish: May 28th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:L/S:U/UI:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.