PT-2022-27394 · Unknown · Varnish Cache

Martin Van Kervel Smedshammer · CVE-2022-45059 · Published 2022-11-09 · Updated 2026-05-11

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Varnish Cache versions 7.0.0 through 7.1.1 Varnish Cache versions 7.2.0 through 7.2.0

Description An issue was discovered in Varnish Cache, allowing a request smuggling attack to be performed on Varnish Cache servers. This occurs when certain headers are requested to be made hop-by-hop, preventing the Varnish Cache servers from forwarding critical headers to the backend.

Recommendations For Varnish Cache versions 7.0.0 through 7.1.1, update to version 7.1.2 or later. For Varnish Cache versions 7.2.0 through 7.2.0, update to version 7.2.1 or later.

Exploit

Fix

HTTP Request/Response Smuggling

Weakness Enumeration

CWE-444

Related Identifiers

BIT-VARNISH-2022-45059

CVE-2022-45059

OESA-2023-1915

OESA-2023-1916

OESA-2023-1917

OPENSUSE-SU-2022:10198-1

OPENSUSE-SU-2024:12496-1

OPENSUSE-SU-2026:10751-1

Affected Products

Varnish Cache

References · 40

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/45xxx/CVE-2022-45059.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-45059 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4KVVCIQVINQQ2D7ORNARSYALMJUMP3I · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1917 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-45059 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-45059 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-45059 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-45059 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:10198-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10751-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1916 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-45059 · Security Note
• https://varnish-cache.org/security/VSV00010.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6ZMOZVBLZXHEV5VRW4I4SOWLQEK5OF5 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XGF6LFTHXCSYMYUX5HLMVXQH3WHCSFLU · Vendor Advisory