CVE-2022-45059
7.5
HIGH
CVSS 3.1
EPSS 1.5%
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.
How to fix CVE-2022-45059
To remediate CVE-2022-45059, upgrade the affected package to a fixed version below.
- Alpine/varnish—upgrade to 7.2.1-r0 or later
- —upgrade to 7.1.2 or later
- —upgrade to 7.1.1-1.1 or later
Is CVE-2022-45059 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 7.2.1-r0
- >= 7.0.0, < 7.1.2, >= 7.2.0, < 7.2.1
- from 0, < 7.1.1-1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |