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CVE-2022-23959
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x…
Critical9.1EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://varnish-cache.org/security/VSV00008.html (opens in a new tab)x_refsource_MISCx_transferred
- https://docs.varnish-software.com/security/VSV00008/ (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20220214 [SECURITY] [DLA 2920-1] varnish security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2022-2f14ec7663 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- DSA-5088 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-23959)Record last updated .