1. CVE-Search
  2. CVE-2021-39242
ID CVE-2021-39242
Summary 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.
References
Vulnerable Configurations
  • cpe:2.3:a:haproxy:haproxy:2.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.6:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.7:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.8:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.9:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.10:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.11:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.11:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.12:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.12:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.13:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.13:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.14:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.14:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.2.15:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.2.15:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.4:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.4:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.5:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.5:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.6:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.6:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.7:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.7:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.8:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.8:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.9:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.9:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.10:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.10:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.11:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.11:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.3.12:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.3.12:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:haproxy:haproxy:2.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:haproxy:haproxy:2.4.2:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 14-09-2021 - 18:34)
Impact:
Exploitability:
CWE CWE-755
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE PARTIAL NONE
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:P/A:N
Last major update 14-09-2021 - 18:34
Published 17-08-2021 - 19:15
Last modified 14-09-2021 - 18:34
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