5

CVE-2005-1802: nortel contivity

CVSS: 5.0v2.0MediumModified
Published 01-06-2005Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2005-1802 is a medium (CVSS 5.0) vulnerability in nortel contivity. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.2% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
1.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-06-2005
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.59%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.59% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Nortel1 product
  • contivity1000_vpn_switch | 1500_vpn_switch | 1600_secure_ip_services_gateway | 2000_vpn_switch | 2500_vpn_switch | 2600_secure_ip_services_gateway | 4000_vpn_switch | 4500_secure_ip_services_gateway | 4600_secure_ip_services_gateway

1 vendor · 1 product

References

4 links