CVE-2005-1802 describes a denial-of-service vulnerability in Nortel VPN Router (Contivity) products, including various models like the 1010, 1050, and 5000 series. This flaw allows remote attackers to crash the device by sending a specially crafted IPsec IKE packet with a malformed ISAKMP header. With a CVSS score of 5.0, this vulnerability is easily exploitable remotely with low attack complexity, leading to a complete loss of availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion with 10 mentions.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1000_vpn_switchCPE matchmatch criteria | cpe:2.3:h:nortel:contivity:1000_vpn_switch:*:*:*:*:*:*:* | ||
1500_vpn_switchCPE matchmatch criteria | cpe:2.3:h:nortel:contivity:1500_vpn_switch:*:*:*:*:*:*:* | ||
1600_secure_ip_services_gatewayCPE matchmatch criteria | cpe:2.3:h:nortel:contivity:1600_secure_ip_services_gateway:*:*:*:*:*:*:* | ||
2000_vpn_switchCPE matchmatch criteria | cpe:2.3:h:nortel:contivity:2000_vpn_switch:*:*:*:*:*:*:* | ||
2500_vpn_switchCPE matchmatch criteria | cpe:2.3:h:nortel:contivity:2500_vpn_switch:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.