CVE-2016-4554
high-risk
Published 2016-05-10
mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.
Do I need to act?
!
68.9% chance of exploitation in next 30 days
EPSS score — higher than 31% 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
8
CVSS 8.6/10
High
NETWORK
/ LOW complexity
Affected Products (7)
Affected Vendors
References (34)
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...
Third Party Advisory
http://www.securitytracker.com/id/1035769
Vendor Advisory
http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
Third Party Advisory
http://www.ubuntu.com/usn/USN-2995-1
and 14 more references
62
/ 100
high-risk
Severity
29/34 · Critical
Exploitability
19/34 · Moderate
Exposure
14/34 · Moderate