CVE-2021-39241: An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space…

PriorityP430medium5.3CVSS 3.1

AVNACLPRNUINSUCNILAN

EPSS

1.77%

75.8th percentile

An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the "GET /admin? HTTP/1.1 /static/images HTTP/1.1" example.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	haproxy	< haproxy 2.2.16-1 (bookworm)	haproxy 2.2.16-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
haproxy	haproxy	>= 0 < 2.2.9-2+deb11u1	2.2.9-2+deb11u1
haproxy	haproxy	>= 0 < 2.2.16-1	2.2.16-1
haproxy	haproxy	>= 0 < 2.2.16-1	2.2.16-1
haproxy	haproxy	>= 0 < 2.2.16-1	2.2.16-1
haproxy	haproxy	>= 2.0.0 < 2.0.24	2.0.24
haproxy	haproxy	>= 2.2.0 < 2.2.16	2.2.16
haproxy	haproxy	>= 2.3.0 < 2.3.13	2.3.13
haproxy	haproxy	>= 2.4.0 < 2.4.3	2.4.3

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

osv5.3MEDIUM

vendor_debian5.3MEDIUM

vendor_redhat5.3MEDIUM

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