CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:P/A:N
AI Score
Confidence
High
EPSS
Percentile
79.4%
Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to perform a man-in-the-middle (MITM) attack.
Vendor | Product | Version | CPE |
---|---|---|---|
nortel | contivity | 2.1.7 | cpe:2.3:h:nortel:contivity:2.1.7:*:*:*:*:*:*:* |
nortel | contivity | 3.00 | cpe:2.3:h:nortel:contivity:3.00:*:*:*:*:*:*:* |
nortel | contivity | 3.01 | cpe:2.3:h:nortel:contivity:3.01:*:*:*:*:*:*:* |
nortel | contivity | 4.91 | cpe:2.3:h:nortel:contivity:4.91:*:*:*:*:*:*:* |
nortel | contivity | 5.01 | cpe:2.3:h:nortel:contivity:5.01:*:*:*:*:*:*:* |