Description
An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1. A request smuggling attack can be performed on Varnish Cache servers by requesting that certain headers are made hop-by-hop, preventing the Varnish Cache servers from forwarding critical headers to the backend.
Exploits (1)
References (4)
Scores
CVSS v3
7.5
EPSS
0.0152
EPSS Percentile
81.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Lab Environment
COMMUNITY
+1 more images
Community Lab
Details
CWE
CWE-444
Status
published
Products (5)
fedoraproject/fedora
35
fedoraproject/fedora
36
fedoraproject/fedora
37
varnish_cache_project/varnish_cache
7.2.0
varnish_cache_project/varnish_cache
7.0.0 - 7.1.2
Published
Nov 09, 2022
Tracked Since
Feb 18, 2026