CVE-2021-33620
moderate-risk
Published 2021-05-28
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.
Do I need to act?
~
9.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (4)
Affected Vendors
References (16)
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/14
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/14
45
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
11/34 · Low
Exposure
10/34 · Low