MEDIUM · 6.8

CVE-2013-1639

Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request.

Vulnerability Description

Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request.

CVSS Score

6.8

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL

Affected Products

VendorProductVersions
OperaOpera Browser<= 12.12

Related Weaknesses (CWE)

References

FAQ

What is CVE-2013-1639?

CVE-2013-1639 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request.

How severe is CVE-2013-1639?

CVE-2013-1639 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-1639?

Check the references section above for vendor advisories and patch information. Affected products include: Opera Opera Browser.