CVE-2021-28662
moderate-risk
Published 2021-05-27
An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
Do I need to act?
!
13.6% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
-
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
Third Party Advisory
https://www.debian.org/security/2021/dsa-4924
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/14
Third Party Advisory
https://www.debian.org/security/2021/dsa-4924
46
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
12/34 · Low
Exposure
10/34 · Low