5.0
MEDIUM
CVE-2005-1802
Nortel Contivity ISAKMP Header Denial of Service Vulnerability
Description

Nortel VPN Router (aka Contivity) allows remote attackers to cause a denial of service (crash) via an IPsec IKE packet with a malformed ISAKMP header.

INFO

Published Date :

May 27, 2005, 4 a.m.

Last Modified :

Nov. 20, 2024, 11:58 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2005-1802 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nortel contivity
2 Nortel vpn_router_1010
3 Nortel vpn_router_1050
4 Nortel vpn_router_1100
5 Nortel vpn_router_1700
6 Nortel vpn_router_1740
7 Nortel vpn_router_2700
8 Nortel vpn_router_5000
9 Nortel vpn_router_600

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2005-1802 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2005-1802 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 20, 2024

    Action Type Old Value New Value
    Added Reference http://securitytracker.com/id?1014068
    Added Reference http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/
    Added Reference http://www.securityfocus.com/archive/1/399423
    Added Reference http://www.securityfocus.com/bid/13792
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 01, 2005

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2005-1802 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2005-1802 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.84 }} -0.20%

score

0.81846

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability