CVE-2021-41611 - CVE House
Back to Database
Status published High CVE-2021-41611

An issue was discovered in Squid 5.0.6 through 5.1.x before...

Vulnerability Description

An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-41611

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

squid-cache

View all reports →

Affected Software

squid, fedora
Vulnerable Versions:
5.0.6, 35

Timeline

Official Publish: October 18th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.