CVE-2008-0028

Unspecified vulnerability in Cisco PIX 500 Series Security Appliance and 5500 Series Adaptive Security Appliance (ASA) before 7.2(3)6 and 8.0(3), when the Time-to-Live (TTL) decrement feature is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted IP packet.

Published: 2008-01-23 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-0028 is rated Moderate Risk (56.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.75%). Mandatory action: 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-2008-0028

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 2025-09-08 2.00% 1.75% -0.25%
2 2025-03-30 1.19% 2.00% +0.81%
3 2025-03-29 1.19%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-0028

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-2008-0028

Affected software / configurations for CVE-2008-0028

Vendor Product Version Raw CPE
cisco adaptive_security_appliance_software < 7.2\(3\)6 cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0\(3\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(3\):*:*:*:*:*:*:*
cisco pix_firewall_software < 7.2\(3\)6 cpe:2.3:o:cisco:pix_firewall_software:*:*:*:*:*:*:*:*
cisco pix_firewall_software 8.0\(3\) cpe:2.3:o:cisco:pix_firewall_software:8.0\(3\):*:*:*:*:*:*:*

References for CVE-2008-0028

cvelogic Threat Intelligence