Format string vulnerabilities in Livingston/Lucent RADIUS before 2.1.va.1 may allow local or remote attackers to cause a denial of service and possibly execute arbitrary code via format specifiers that are injected into log messages.
Conclusion & alert: CVE-2001-1081 is rated Moderate Risk (61.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.78%). Core evidence: EPSS rose +1.82% over the last day, indicating growing attacker interest. 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.
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 | 0.96% | 2.78% | +1.82% |
| 2 | 2026-03-21 | 3.36% | 0.96% | -2.40% |
| 3 | 2025-12-02 | — | 3.36% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| lucent | radius | 2.1.2 | cpe:2.3:a:lucent:radius:2.1.2:*:*:*:*:*:*:* |
| simon_horms | radius | 2.1_2 | cpe:2.3:a:simon_horms:radius:2.1_2:*:*:*:*:*:*:* |