CVE-2009-4919

Buffer overflow on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to have an unspecified impact via long IKE attributes, aka Bug ID CSCsu43121.

Published: 2010-06-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-4919 is rated High Risk (68.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.12%). 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-2009-4919

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 2026-06-29 1.89% 2.12% +0.23%
2 2026-06-15 1.07% 1.89% +0.82%
3 2026-02-23 1.07%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4919

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-2009-4919

Affected software / configurations for CVE-2009-4919

Vendor Product Version Raw CPE
cisco asa_5580 <= 8.1\(1\) cpe:2.3:h:cisco:asa_5580:*:*:*:*:*:*:*:*

References for CVE-2009-4919

cvelogic Threat Intelligence