CVE-2012-1251 describes a critical vulnerability in Opera browsers prior to version 9.63, where improper X.509 certificate verification allows man-in-the-middle (MITM) attackers to spoof SSL servers. This flaw carries a CVSS score of 5.8, indicating a medium severity, as it can be exploited remotely with medium complexity to compromise confidentiality and integrity of sensitive information. Despite its potential impact, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this decade-old vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.62CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* | ||
1.00CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:1.00:*:*:*:*:*:*:* | ||
2.00CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:2.00:*:*:*:*:*:*:* | ||
2.10CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:2.10:*:*:*:*:*:*:* | ||
2.10CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:2.10:beta1:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.