VULNERABILITY INTELLIGENCE
CVE-2012-1251
CVSS score5.8 MEDIUM
EPSS probability0.60%
CISA KEVNot currently listed
Published2012-06-04
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:N
Description
Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.