CVE-2005-4566

Buffer overflow in the Internet Key Exchange version 1 (IKEv1) implementation in ADTRAN NetVanta before 10.03.03.E might allow remote attackers to have an unknown impact via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

Published: 2005-12-29 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-4566 is rated High Risk (71.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.78%). Core evidence: EPSS rose +1.78% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-4566

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.00% 2.78% +1.78%
2 2025-03-30 1.54% 1.00% -0.55%
3 2025-03-29 1.54%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4566

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2005-4566

Affected software / configurations for CVE-2005-4566

Vendor Product Version Raw CPE
adtran netvanta 3xxx cpe:2.3:h:adtran:netvanta:3xxx:*:*:*:*:*:*:*
adtran netvanta 4xxx cpe:2.3:h:adtran:netvanta:4xxx:*:*:*:*:*:*:*
adtran netvanta 5xxx cpe:2.3:h:adtran:netvanta:5xxx:*:*:*:*:*:*:*

References for CVE-2005-4566

cvelogic Threat Intelligence