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Fencer Vulns
high 7.5

CVE-2022-45059 json

An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1.

published 2022-11-09 4 y ago modified 2026-09-08 2 mo ago also BIT-varnish-2022-45059 , EUVD-2022-47981

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

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.

Patch / fix

  • bitnami varnish 7.1.2, 7.2.1
  • varnish_cache_project varnish_cache 7.1.2
  • varnish Debian 13, Debian 12 7.1.1-1.1

debian advisories DEBIAN-CVE-2022-45059

  • vinyl-cache openSUSE Tumbleweed 9.0.0-1.1
  • varnish openSUSE Tumbleweed 7.2.1-1.1
  • varnish Package Hub 15 SP4, openSUSE Leap 15.4 7.2.1-bp154.2.9.1

opensuse advisories openSUSE-SU-2026:10751-1openSUSE-SU-2024:12496-1openSUSE-SU-2022:10198-1

  • varnish Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 7.2.1-r0

alpine advisories ALPINE-CVE-2022-45059

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-45059 updated cvss 7.5

varnish: Request Smuggling Vulnerability

  • Red Hat Enterprise Linux 8 varnish, varnish-modules Red Hat Enterprise Linux 9 varnish Red Hat Software Collections rh-varnish6-varnish, rh-varnish6-varnish-libs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
bitnami varnish
>=7.0.0, <7.1.2
>=7.2.0, <7.2.1
7.1.2
7.2.1

Classification

Weakness
  • CWE-444 Inconsistent Interpretation of HTTP Requests

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.