CVE-2007-2334

Nortel VPN Router (aka Contivity) 1000, 2000, 4000, and 5000 before 5_05.149, 5_05.3xx before 5_05.304, and 6.x before 6_05.140 has two template HTML files lacking certain verification tags, which allows remote attackers to access the administration interface and change the device configuration via certain requests.

Published: 2007-04-27 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-2334 is rated Moderate Risk (55.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.61%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-2334

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.16% 1.61% +0.45%
2 2025-12-14 1.11% 1.16% +0.04%
3 2025-07-12 — 1.11% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2334

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2007-2334

NVD evaluator notes for CVE-2007-2334

Solution: The vendor has addressed this issue with the following product update: http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=567877&RenditionID=&poid=null

Affected software / configurations for CVE-2007-2334

Vendor Product Version Raw CPE
nortel contivity 1000_vpn_switch cpe:2.3:h:nortel:contivity:1000_vpn_switch:*:*:*:*:*:*:*
nortel contivity 2000_vpn_switch cpe:2.3:h:nortel:contivity:2000_vpn_switch:*:*:*:*:*:*:*
nortel contivity 4000_vpn_switch cpe:2.3:h:nortel:contivity:4000_vpn_switch:*:*:*:*:*:*:*
nortel vpn_router_5000 — cpe:2.3:h:nortel:vpn_router_5000:*:*:*:*:*:*:*:*

References for CVE-2007-2334

cvelogic Threat Intelligence