CVE-2022-45059

varnish: Request Smuggling Vulnerability

Published Nov 9, 2022 CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-47981 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 1, 2025, 2:30 PM
Reserved
Nov 9, 2022, 12:00 AM
Status
Modified
Published
Nov 9, 2022, 6:15 AM
Modified
Jun 17, 2026, 5:09 AM
Severity
Important
Public date
Nov 8, 2022, 12:00 AM