CVE-2012-5783

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-04 · updated 2026-06-16
Weakness: CWE-295

Description

Apache Commons HttpClient 3.x, as used in Amazon Flexible Payments Service (FPS) merchant Java SDK and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Affected products

Apache Software Foundation Apache HttpClient: 3.1
Canonical Ubuntu Linux: 12.04, 14.04, 15.04

References

http://lists.opensuse.org/opensuse-updates/2013-02/msg00078.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00040.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00041.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00053.html
http://rhn.redhat.com/errata/RHSA-2013-0270.html
http://rhn.redhat.com/errata/RHSA-2013-0679.html
http://rhn.redhat.com/errata/RHSA-2013-0680.html
http://rhn.redhat.com/errata/RHSA-2013-0681.html
http://rhn.redhat.com/errata/RHSA-2013-0682.html
http://rhn.redhat.com/errata/RHSA-2013-1147.html
http://rhn.redhat.com/errata/RHSA-2013-1853.html
http://rhn.redhat.com/errata/RHSA-2014-0224.html

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