Is CVE-2012-5783 being actively exploited?

CVE-2012-5783 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-5783?

CVE-2012-5783 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2012-5783

MEDIUM · CVSS 5.8EPSS 9.3%EU EUVD

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.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-295
EPSS score: 9.3% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2022-2129)
Published: November 4, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-2129 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

apache / httpclient
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux

References

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 Description, Third Party Advisory)
http://www.securityfocus.com/bid/58073(Third Party Advisory, VDB 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 Advisory, VDB Entry)
https://issues.apache.org/jira/browse/HTTPCLIENT-1265(Issue Tracking, Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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