synced 12 MIN AGO
01 Record

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.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.1% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2005-06-01 04:00Z21 YR AGO
Last updated
2024-08-07 22:06Z2 YR AGO
Reserved
2005-06-01
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
1f5cb83978bbf0743df6f5679a4ba3e6da8ebd633f56ddca3df193fdfcd4f8bb

05 Affected products

VendorProductVersionsPlatforms
nortelcontivityNot specified—
nortelvpn_router_1010Not specified—
nortelvpn_router_1050Not specified—
nortelvpn_router_1100Not specified—
nortelvpn_router_1700Not specified—
nortelvpn_router_1740Not specified—
nortelvpn_router_2700Not specified—
nortelvpn_router_5000Not specified—
nortelvpn_router_600Not specified—

06 References