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Vulnerability details: VCID-dkhk-j3eu-53he
Vulnerability ID VCID-dkhk-j3eu-53he
Aliases CVE-2022-23959
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.2
Risk 4.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
System Score Found at
cvssv3 9.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23959.json
epss 0.00252 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.00252 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2022-23959
cvssv3.1 7.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2022-23959
cvssv3.1 9.1 https://nvd.nist.gov/vuln/detail/CVE-2022-23959
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23959.json
https://api.first.org/data/v1/epss?cve=CVE-2022-23959
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36740
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23959
https://docs.varnish-software.com/security/VSV00008/
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/
https://varnish-cache.org/security/VSV00008.html
https://www.debian.org/security/2022/dsa-5088
1004433 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004433
2045031 https://bugzilla.redhat.com/show_bug.cgi?id=2045031
cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:*
cpe:2.3:a:varnish-software:varnich_cache:4.1:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:varnish-software:varnich_cache:4.1:*:*:*:lts:*:*:*
cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:*
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*
cpe:2.3:a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2022-23959 https://nvd.nist.gov/vuln/detail/CVE-2022-23959
RHSA-2022:0418 https://access.redhat.com/errata/RHSA-2022:0418
RHSA-2022:0420 https://access.redhat.com/errata/RHSA-2022:0420
RHSA-2022:0421 https://access.redhat.com/errata/RHSA-2022:0421
RHSA-2022:0422 https://access.redhat.com/errata/RHSA-2022:0422
RHSA-2022:4745 https://access.redhat.com/errata/RHSA-2022:4745
USN-5474-1 https://usn.ubuntu.com/5474-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23959.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23959
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23959
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.48442
EPSS Score 0.00252
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:11:51.331492+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5474-1/ 36.1.3