CVE-2005-1802

high

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.

References

http://www.securityfocus.com/bid/13792

http://www.securityfocus.com/archive/1/399423

http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/

http://securitytracker.com/id?1014068

Details

Source: Mitre, NVD

Published: 2005-05-27

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00763