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NVD Vulnerability Details :
CVE-2021-39242
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-17 Aug, 2021 | 19:15
Updated At-07 Nov, 2023 | 03:37

An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CPE Matches
haproxy
haproxy
>>haproxy>>Versions from 2.2.0(inclusive) to 2.2.16(exclusive)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
haproxy
haproxy
>>haproxy>>Versions from 2.3.0(inclusive) to 2.3.13(exclusive)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
haproxy
haproxy
>>haproxy>>Versions from 2.4.0(inclusive) to 2.4.3(exclusive)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-755Primarynvd@nist.gov
CWE ID: CWE-755
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1cve@mitre.org
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/cve@mitre.org
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/cve@mitre.org
N/A
https://www.debian.org/security/2021/dsa-4960cve@mitre.org
Third Party Advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg41041.htmlcve@mitre.org
N/A
Hyperlink: https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.debian.org/security/2021/dsa-4960
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html
Source: cve@mitre.org
Resource: N/A
Change History
0Changes found
Details not found