Multiple buffer overflows in RADIUS daemon radiusd in (1) Merit 3.6b and (2) Lucent 2.1-2 RADIUS allow remote attackers to cause a denial of service or execute arbitrary commands.
Conclusion & alert: CVE-2001-0534 is rated High Risk (77.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.66%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.60% over the last day, indicating growing attacker interest. 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.
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 | 2.06% | 6.66% | +4.60% |
| 2 | 2025-03-30 | 6.27% | 2.06% | -4.21% |
| 3 | 2025-03-29 | — | 6.27% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| URL | Tags |
|---|---|
| http://www.kb.cert.org/vuls/id/898931 | US Government Resource |
| http://www.securityfocus.com/bid/2989 | |
| http://xforce.iss.net/alerts/alerts.php |