CVE-2007-5651

Unspecified vulnerability in the Extensible Authentication Protocol (EAP) implementation in Cisco IOS 12.3 and 12.4 on Cisco Access Points and 1310 Wireless Bridges (Wireless EAP devices), IOS 12.1 and 12.2 on Cisco switches (Wired EAP devices), and CatOS 6.x through 8.x on Cisco switches allows remote attackers to cause a denial of service (device reload) via a crafted EAP Response Identity packet.

Published: 2007-10-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-5651 is rated Moderate Risk (55.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.83%). Review affected assets and schedule 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-2007-5651

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 1.29% 1.83% +0.54%
2 2026-04-19 1.19% 1.29% +0.10%
3 2025-03-17 — 1.19% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-5651

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 6.9 [email protected]

Weakness enumeration for CVE-2007-5651

Affected software / configurations for CVE-2007-5651

Vendor Product Version Raw CPE
cisco catos 6.1 cpe:2.3:o:cisco:catos:6.1:*:*:*:*:*:*:*
cisco catos 6.2 cpe:2.3:o:cisco:catos:6.2:*:*:*:*:*:*:*
cisco catos 6.3 cpe:2.3:o:cisco:catos:6.3:*:*:*:*:*:*:*
cisco catos 6.4 cpe:2.3:o:cisco:catos:6.4:*:*:*:*:*:*:*
cisco catos 7.1 cpe:2.3:o:cisco:catos:7.1:*:*:*:*:*:*:*
cisco catos 7.2 cpe:2.3:o:cisco:catos:7.2:*:*:*:*:*:*:*
cisco catos 7.3 cpe:2.3:o:cisco:catos:7.3:*:*:*:*:*:*:*
cisco catos 7.4 cpe:2.3:o:cisco:catos:7.4:*:*:*:*:*:*:*
cisco catos 7.5 cpe:2.3:o:cisco:catos:7.5:*:*:*:*:*:*:*
cisco catos 7.6 cpe:2.3:o:cisco:catos:7.6:*:*:*:*:*:*:*
cisco catos 8.1 cpe:2.3:o:cisco:catos:8.1:*:*:*:*:*:*:*
cisco catos 8.2 cpe:2.3:o:cisco:catos:8.2:*:*:*:*:*:*:*
cisco catos 8.3 cpe:2.3:o:cisco:catos:8.3:*:*:*:*:*:*:*
cisco catos 8.4 cpe:2.3:o:cisco:catos:8.4:*:*:*:*:*:*:*
cisco catos 8.5 cpe:2.3:o:cisco:catos:8.5:*:*:*:*:*:*:*
cisco ios 12.1 cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*
cisco ios 12.2 cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
cisco ios 12.3ja cpe:2.3:o:cisco:ios:12.3ja:*:*:*:*:*:*:*
cisco ios 12.3jea cpe:2.3:o:cisco:ios:12.3jea:*:*:*:*:*:*:*
cisco ios 12.3jeb cpe:2.3:o:cisco:ios:12.3jeb:*:*:*:*:*:*:*
cisco ios 12.3jec cpe:2.3:o:cisco:ios:12.3jec:*:*:*:*:*:*:*
cisco ios 12.4ja cpe:2.3:o:cisco:ios:12.4ja:*:*:*:*:*:*:*

References for CVE-2007-5651

cvelogic Threat Intelligence