CVE-2004-2621

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

31/12/2004

Last modified:

03/04/2025

Description

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.

Impact

Vector 2.0

AV:N/AC:H/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:h:nortel:contivity:2.1.7:::::::*
cpe:2.3:h:nortel:contivity:3.00:::::::*
cpe:2.3:h:nortel:contivity:3.01:::::::*
cpe:2.3:h:nortel:contivity:4.91:::::::*
cpe:2.3:h:nortel:contivity:5.01:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:h:nortel:contivity:2.1.7:::::::*
cpe:2.3:h:nortel:contivity:3.00:::::::*
cpe:2.3:h:nortel:contivity:3.01:::::::*
cpe:2.3:h:nortel:contivity:4.91:::::::*
cpe:2.3:h:nortel:contivity:5.01:::::::*

CVE-2004-2621

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools