Vulnerability Report

CVE-2005-1802

Title: Nortel VPN Router (aka Contivity) malformed ISAKMP header DoS

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2005-1802.

CWE Category NVD-CWE-noinfo

Published Date May 27, 2005

Modified Date Apr 03, 2025

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

0.76%

Vulnerability Summary

CVE-2005-1802: 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.

Impacted Vendors

nortel 9

Reference Links

http://securitytracker.com/id?1014068 http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/ http://www.securityfocus.com/archive/1/399423 http://www.securityfocus.com/bid/13792 http://securitytracker.com/id?1014068 http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/ http://www.securityfocus.com/archive/1/399423 http://www.securityfocus.com/bid/13792

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2005-1802 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

May 27, 2005 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.