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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
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.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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OR
*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ Mailing List, Third Party Advisory
OR
*cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (excluding) 2.2.16
*cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.3.0 up to (excluding) 2.3.13
*cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.4.0 up to (excluding) 2.4.3
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Added
CVSS V2
NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Added
CWE
NIST CWE-755
Changed
Reference Type
https://git.haproxy.org/?p=haproxy.git;a=commit;h=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1 No Types Assigned