{"cve":"CVE-2012-5783","nvd":{"published":"2012-11-04T22:55:03.297","modified":"2026-06-16T23:47:19.673","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-295"],"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"],"products":["apache:httpclient","canonical:ubuntu_linux"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-5783","score":0.09254,"percentile":0.95356,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3832-9276-x7gf","url":"https://osv.dev/vulnerability/GHSA-3832-9276-x7gf","summary":"Improper Certificate Validation in Apache Commons HttpClient","modified":"2026-09-10T03:49:07.300846048Z","packages":[{"ecosystem":"Maven","name":"commons-httpclient:commons-httpclient","purl":"pkg:maven/commons-httpclient/commons-httpclient","ranges":[">=3.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}