Vulnerability Monitor

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CVE-2005-4465

The Internet Key Exchange version 1 (IKEv1) implementation in NEC UNIVERGE IX1000, IX2000, and IX3000 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.

Security Impact Summary

CVE-2005-4465 is a security vulnerability that . Impacting 1 product from nec organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2005, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2005-12-22T00:03:00.000

Last Modified

2026-04-16T00:27:16.627

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Hardware	nec	univerge	ix1010	Yes
Hardware	nec	univerge	ix1011	Yes
Hardware	nec	univerge	ix1020	Yes
Hardware	nec	univerge	ix1050	Yes
Hardware	nec	univerge	ix2003	Yes
Hardware	nec	univerge	ix2004	Yes
Hardware	nec	univerge	ix2010	Yes
Hardware	nec	univerge	ix2010	Yes
Hardware	nec	univerge	ix2010	Yes
Hardware	nec	univerge	ix2015	Yes
Hardware	nec	univerge	ix2015	Yes
Hardware	nec	univerge	ix3010	Yes

References

http://secunia.com/advisories/18166 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/16027 ([email protected])
http://www.sw.nec.co.jp/ixseries/ix1k2k/Support/CERT/NISCC273756.html ([email protected])
http://www.vupen.com/english/advisories/2005/3028 ([email protected])
http://secunia.com/advisories/18166 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/16027 (af854a3a-2127-422b-91ae-364da2661108)
http://www.sw.nec.co.jp/ixseries/ix1k2k/Support/CERT/NISCC273756.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2005/3028 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For nec's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.