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Vulnerability record · CVE-2012-5783 · published 4 November 2012

CVE-2012-5783: Apache httpclient improper certificate validation vulnerability

Apache · Httpclient

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.

5.8 CVSS 2.0 Medium EPSS 9.3% · top 4.8% CWE-295 · Improper certificate validation
5.8CVSS 2.0 base score
9.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
36References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2013-02/msg00078.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-04/msg00040.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-04/msg00041.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-04/msg00053.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0270.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0679.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0680.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0681.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0682.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-1147.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-1853.html Broken Link
http://rhn.redhat.com/errata/RHSA-2014-0224.html Broken Link
http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf Technical DescriptionThird Party Advisory
http://www.securityfocus.com/bid/58073 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2769-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0868 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79984 Third Party AdvisoryVDB Entry
https://issues.apache.org/jira/browse/HTTPCLIENT-1265 Issue TrackingPatchVendor Advisory
http://lists.opensuse.org/opensuse-updates/2013-02/msg00078.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-04/msg00040.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-04/msg00041.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-04/msg00053.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0270.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0679.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0680.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0681.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0682.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-1147.html Broken Link
http://rhn.redhat.com/errata/RHSA-2013-1853.html Broken Link
http://rhn.redhat.com/errata/RHSA-2014-0224.html Broken Link
http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf Technical DescriptionThird Party Advisory
http://www.securityfocus.com/bid/58073 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2769-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0868 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79984 Third Party AdvisoryVDB Entry
https://issues.apache.org/jira/browse/HTTPCLIENT-1265 Issue TrackingPatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2012-5783), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.