CVE-2006-4181

Format string vulnerability in the sqllog function in the SQL accounting code for radiusd in GNU Radius 1.2 and 1.3 allows remote attackers to execute arbitrary code via unknown vectors.

Published: 2006-11-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-4181 is rated High Risk (66.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.96%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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-2006-4181

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 22.64% 4.96% -17.68%
2 2025-07-17 21.98% 22.64% +0.66%
3 2025-03-30 21.98%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4181

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-2006-4181

OS Trackers for CVE-2006-4181

vendor priority summary link
alpine CVE-2006-4181: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-4181
gentoo high CVE-2006-4181: 1 GLSA(s) (200612-17), 1 atom(s) (net-dialup/gnuradius); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-4181
redhat https://access.redhat.com/security/cve/CVE-2006-4181

NVD evaluator notes for CVE-2006-4181

Solution: This vulnerability is addressed in the following product release: GNU, Radius, 1.4

Vendor comments (NVD) for CVE-2006-4181

  • Red Hat (2006-12-04T00:00:00)

    Not Vulnerable. Red Hat does not ship GNU Radius in Red Hat Enterprise Linux 2.1, 3, or 4.

Affected software / configurations for CVE-2006-4181

Vendor Product Version Raw CPE
gnu radius 1.2 cpe:2.3:a:gnu:radius:1.2:*:*:*:*:*:*:*
gnu radius 1.3 cpe:2.3:a:gnu:radius:1.3:*:*:*:*:*:*:*

References for CVE-2006-4181

cvelogic Threat Intelligence