Home/CVE/Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers
CVE

CVE-2012-1251

Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers

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.

MEDIUM · CVSS 5.8 EPSS 0.00198
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

2
opera browser<= 9.62
opera browserall versions
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Scoring & Timeline

5.8
MEDIUM · CVSS v2 (legacy) · vultures@jpcert.or.jp
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:N
Published to NVD04 Jun 2012 · 05:55 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://jvn.jp/en/jp/JVN39707339/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2012-000049
http://www.opera.com/docs/changelogs/mac/963/
http://www.opera.com/docs/changelogs/unix/963/
http://www.opera.com/docs/changelogs/windows/963/
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