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Vulnerability details: VCID-4b2y-yhe8-nkg8
Vulnerability ID VCID-4b2y-yhe8-nkg8
Aliases CVE-2022-0711
Summary A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header. This flaw could allow an attacker to send crafted HTTP response packets which lead to an infinite loop, eventually resulting in a denial of service condition. The highest threat from this vulnerability is availability.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-0711.json
epss 0.14154 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.14903 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.14903 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.14903 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.65565 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.65565 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.65578 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.65578 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.65578 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
epss 0.65578 https://api.first.org/data/v1/epss?cve=CVE-2022-0711
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2022-0711
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-0711
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-0711.json
https://access.redhat.com/security/cve/cve-2022-0711
https://api.first.org/data/v1/epss?cve=CVE-2022-0711
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0711
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8
https://www.debian.org/security/2022/dsa-5102
https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html
2053666 https://bugzilla.redhat.com/show_bug.cgi?id=2053666
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*
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:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CVE-2022-0711 https://nvd.nist.gov/vuln/detail/CVE-2022-0711
RHSA-2022:1021 https://access.redhat.com/errata/RHSA-2022:1021
RHSA-2022:1153 https://access.redhat.com/errata/RHSA-2022:1153
RHSA-2022:1336 https://access.redhat.com/errata/RHSA-2022:1336
RHSA-2022:1620 https://access.redhat.com/errata/RHSA-2022:1620
USN-5312-1 https://usn.ubuntu.com/5312-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-0711.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:N/I:N/A:H 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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2022-0711
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-0711
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 0.94016
EPSS Score 0.14154
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:10:56.562545+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5312-1/ 36.1.3