CVE-2012-1251

Published: Jun 4, 2012Modified: Apr 29, 2026

5.8

Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability: 8.6 / Impact: 4.9

Source: NVD

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.

Affected (114)

Products: Opera: Opera Browser

Opera

1 product

Opera Browser

Configuration A

114 vulnerable

Vulnerable Software	Affected Versions
Opera Opera Browser	Up to 9.62
Opera Opera Browser	Version 1.00
Opera Opera Browser	Version 2.00
Opera Opera Browser	Version 2.10
Opera Opera Browser	Version 2.10 beta1
Opera Opera Browser	Version 2.10 beta2
Opera Opera Browser	Version 2.10 beta3
Opera Opera Browser	Version 2.12
Opera Opera Browser	Version 3.00
Opera Opera Browser	Version 3.00 beta
Opera Opera Browser	Version 3.10
Opera Opera Browser	Version 3.21
Opera Opera Browser	Version 3.50
Opera Opera Browser	Version 3.51
Opera Opera Browser	Version 3.60
Opera Opera Browser	Version 3.61
Opera Opera Browser	Version 3.62
Opera Opera Browser	Version 3.62 beta
Opera Opera Browser	Version 4.00
Opera Opera Browser	Version 4.00 beta2
Opera Opera Browser	Version 4.00 beta3
Opera Opera Browser	Version 4.00 beta4
Opera Opera Browser	Version 4.00 beta5
Opera Opera Browser	Version 4.00 beta6
Opera Opera Browser	Version 4.01
Opera Opera Browser	Version 4.02
Opera Opera Browser	Version 5.02
Opera Opera Browser	Version 5.0
Opera Opera Browser	Version 5.0 beta2
Opera Opera Browser	Version 5.0 beta3
Opera Opera Browser	Version 5.0 beta4
Opera Opera Browser	Version 5.0 beta5
Opera Opera Browser	Version 5.0 beta6
Opera Opera Browser	Version 5.0 beta7
Opera Opera Browser	Version 5.0 beta8
Opera Opera Browser	Version 5.10
Opera Opera Browser	Version 5.11
Opera Opera Browser	Version 5.12
Opera Opera Browser	Version 6.01
Opera Opera Browser	Version 6.02
Opera Opera Browser	Version 6.03
Opera Opera Browser	Version 6.04
Opera Opera Browser	Version 6.05
Opera Opera Browser	Version 6.06
Opera Opera Browser	Version 6.0
Opera Opera Browser	Version 6.0 beta1
Opera Opera Browser	Version 6.0 beta2
Opera Opera Browser	Version 6.0 tp1
Opera Opera Browser	Version 6.0 tp2
Opera Opera Browser	Version 6.0 tp3
Opera Opera Browser	Version 6.11
Opera Opera Browser	Version 6.12
Opera Opera Browser	Version 6.1
Opera Opera Browser	Version 6.1 beta1
Opera Opera Browser	Version 7.01
Opera Opera Browser	Version 7.02
Opera Opera Browser	Version 7.03
Opera Opera Browser	Version 7.0
Opera Opera Browser	Version 7.0 beta1
Opera Opera Browser	Version 7.0 beta1_v2
Opera Opera Browser	Version 7.0 beta2
Opera Opera Browser	Version 7.10
Opera Opera Browser	Version 7.10 beta1
Opera Opera Browser	Version 7.11
Opera Opera Browser	Version 7.11 beta2
Opera Opera Browser	Version 7.20
Opera Opera Browser	Version 7.20 beta7
Opera Opera Browser	Version 7.21
Opera Opera Browser	Version 7.22
Opera Opera Browser	Version 7.23
Opera Opera Browser	Version 7.50
Opera Opera Browser	Version 7.50 beta1
Opera Opera Browser	Version 7.51
Opera Opera Browser	Version 7.52
Opera Opera Browser	Version 7.53
Opera Opera Browser	Version 7.54
Opera Opera Browser	Version 7.54 update1
Opera Opera Browser	Version 7.54 update2
Opera Opera Browser	Version 7.60
Opera Opera Browser	Version 8.01
Opera Opera Browser	Version 8.02
Opera Opera Browser	Version 8.0
Opera Opera Browser	Version 8.0 beta1
Opera Opera Browser	Version 8.0 beta2
Opera Opera Browser	Version 8.0 beta3
Opera Opera Browser	Version 8.50
Opera Opera Browser	Version 8.51
Opera Opera Browser	Version 8.52
Opera Opera Browser	Version 8.53
Opera Opera Browser	Version 8.54
Opera Opera Browser	Version 9.01
Opera Opera Browser	Version 9.02
Opera Opera Browser	Version 9.0
Opera Opera Browser	Version 9.0 beta1
Opera Opera Browser	Version 9.0 beta2
Opera Opera Browser	Version 9.10
Opera Opera Browser	Version 9.12
Opera Opera Browser	Version 9.20
Opera Opera Browser	Version 9.20 beta1
Opera Opera Browser	Version 9.21
Opera Opera Browser	Version 9.22
Opera Opera Browser	Version 9.23
Opera Opera Browser	Version 9.24
Opera Opera Browser	Version 9.25
Opera Opera Browser	Version 9.26
Opera Opera Browser	Version 9.27
Opera Opera Browser	Version 9.50
Opera Opera Browser	Version 9.50 beta1
Opera Opera Browser	Version 9.50 beta2
Opera Opera Browser	Version 9.51
Opera Opera Browser	Version 9.52
Opera Opera Browser	Version 9.60
Opera Opera Browser	Version 9.60 beta1
Opera Opera Browser	Version 9.61