CVE-2009-2063

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-06-15 · updated 2026-06-16
Weakness: CWE-287

Description

Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.

Affected products

Opera Browser: through 9.24; 1.00, 2.00, 2.10, 2.10-beta1, 2.10-beta2, 2.10-beta3 (+95)

References

http://research.microsoft.com/apps/pubs/default.aspx?id=79323
http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf
http://www.securityfocus.com/bid/35412
https://exchange.xforce.ibmcloud.com/vulnerabilities/51204
http://research.microsoft.com/apps/pubs/default.aspx?id=79323
http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf
http://www.securityfocus.com/bid/35412
https://exchange.xforce.ibmcloud.com/vulnerabilities/51204

Get alerted when CVE-2009-2063 or the next vulnerability affects your stack