Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2012-1251

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
04/06/2012
Last modified:
11/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* 9.62 (including)
cpe:2.3:a:opera:opera_browser:1.00:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:2.00:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:2.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:2.10:beta1:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:2.10:beta2:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:2.10:beta3:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:2.12:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.00:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.00:beta:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.21:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.50:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.51:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:3.60:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools