CVE-2021-39240

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-39240
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 does not ensure that the scheme and path portions of a URI have the expected characters. For example, the authority field (as observed on a target HTTP/2 server) might differ from what the routing rules were intended to achieve.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=4b8852c70d8c4b7e225e24eb58258a15eb54c26e
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=a495e0d94876c9d39763db319f609351907a31e8
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
https://www.debian.org/security/2021/dsa-4960 Third Party Advisory
https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
History

14 Sep 2021, 18:34

Type Values Removed Values Added
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

27 Aug 2021, 00:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ -

25 Aug 2021, 13:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CWE NVD-CWE-noinfo
CPE cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4960 - Third Party Advisory
References (MISC) https://www.mail-archive.com/haproxy@formilux.org/msg41041.html - (MISC) https://www.mail-archive.com/haproxy@formilux.org/msg41041.html - Third Party Advisory
References (MISC) https://git.haproxy.org/?p=haproxy.git;a=commit;h=a495e0d94876c9d39763db319f609351907a31e8 - (MISC) https://git.haproxy.org/?p=haproxy.git;a=commit;h=a495e0d94876c9d39763db319f609351907a31e8 - Mailing List, Patch, Vendor Advisory
References (MISC) https://git.haproxy.org/?p=haproxy.git;a=commit;h=4b8852c70d8c4b7e225e24eb58258a15eb54c26e - (MISC) https://git.haproxy.org/?p=haproxy.git;a=commit;h=4b8852c70d8c4b7e225e24eb58258a15eb54c26e - Mailing List, Patch, Vendor Advisory

17 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-17 19:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-39240

Mitre link : CVE-2021-39240

CVE.ORG link : CVE-2021-39240

JSON object : View

Products Affected

fedoraproject

  • fedora

haproxy

  • haproxy

debian

  • debian_linux
CWE
NVD-CWE-noinfo