{"id":"CVE-2012-3446","aliases":["GHSA-prcq-52f8-fp44","PYSEC-2012-12"],"url":"https://o3.security/vulnerability/CVE-2012-3446","summary":"Apache Libcloud vulnerable to certificate impersonation","details":"Apache Libcloud before 0.11.1 uses an incorrect regular expression during verification of whether 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 a crafted certificate.","published":"2012-11-04T22:55:03Z","modified":"2026-04-10T03:43:12.241837Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"apache-libcloud","fixedVersion":"0.11.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://svn.apache.org/repos/asf/libcloud/trunk/CHANGES"},{"type":"EVIDENCE","url":"http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:43:12.241837Z"}}