CVE-2006-4097

Multiple unspecified vulnerabilities in the CSRadius service in Cisco Secure Access Control Server (ACS) for Windows before 4.1 and ACS Solution Engine before 4.1 allow remote attackers to cause a denial of service (crash) via a crafted RADIUS Access-Request packet. NOTE: it has been reported that at least one issue is a heap-based buffer overflow involving the Tunnel-Password attribute.

Published: 2006-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4097 is rated Moderate Risk (64.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.12%). EPSS rose +1.93% over the last day, indicating growing attacker interest. 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-2006-4097

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 2.19% 4.12% +1.93%
2 2026-05-25 1.76% 2.19% +0.44%
3 2025-03-30 — 1.76% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4097

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2006-4097

OS Trackers for CVE-2006-4097

vendor priority summary link
alpine — CVE-2006-4097: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-4097

Affected software / configurations for CVE-2006-4097

Vendor Product Version Raw CPE
cisco secure_access_control_server <= 4.0 cpe:2.3:a:cisco:secure_access_control_server:*:*:*:*:*:*:*:*
cisco secure_access_control_server 4.1 cpe:2.3:a:cisco:secure_access_control_server:4.1:*:windows:*:*:*:*:*

References for CVE-2006-4097

cvelogic Threat Intelligence