Certificate Validation Flaw in Squid by Squid Software
CVE-2021-41611

7.5HIGH

Key Information:

Vendor

Squid-cache

Status
Squid
Vendor
CVE Published:
18 October 2021

What is CVE-2021-41611?

A vulnerability in Squid versions 5.0.6 through 5.1.x prior to 5.2 allows an origin server or peer certificate to be incorrectly classified as trusted. This misconfiguration can enable a remote server to gain unwarranted trust, potentially leading clients to connect to unsafe or compromised services.

References

http://www.squid-cache.org/Versions/v6/changesets/squid-6...
x_refsource_MISC
https://github.com/squid-cache/squid/security/advisories/...
x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.