CVE-2015-8852
moderate-risk
Published 2016-04-25
Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.
Do I need to act?
~
1.1% 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
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (9)
Varnish Cache
Varnish Cache
Varnish Cache
Varnish Cache
Varnish Cache
Varnish Cache
Varnish Cache
Varnish Cache
Affected Vendors
References (16)
44
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
3/34 · Minimal
Exposure
15/34 · Moderate