The DTLS support in radsecproxy before 1.6.2 does not properly verify certificates when there are configuration blocks with CA settings that are unrelated to the block being used for verifying the certificate chain, which might allow remote attackers to bypass intended access restrictions and spoof clients, a different vulnerability than CVE-2012-4523.
Conclusion & alert: CVE-2012-4566 is rated Moderate Risk (51.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.50%). Core evidence: EPSS rose +1.32% 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 | 0.18% | 1.50% | +1.32% |
| 2 | 2025-03-30 | 0.26% | 0.18% | -0.08% |
| 3 | 2025-03-29 | — | 0.26% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-4566 not yet assigned priority: Debian including 1 source packages (radsecproxy), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-4566 |
ubuntu
|
medium | CVE-2012-4566 medium priority: Ubuntu including 1 source packages (radsecproxy), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 8, ignored 4, DNE 2, released 1. | https://ubuntu.com/security/CVE-2012-4566 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| uninett | radsecproxy | <= 1.6.1 | cpe:2.3:a:uninett:radsecproxy:*:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.0 | cpe:2.3:a:uninett:radsecproxy:1.0:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.0 | cpe:2.3:a:uninett:radsecproxy:1.0:alpha:*:*:*:*:*:* |
| uninett | radsecproxy | 1.0 | cpe:2.3:a:uninett:radsecproxy:1.0:alpha-p1:*:*:*:*:*:* |
| uninett | radsecproxy | 1.0 | cpe:2.3:a:uninett:radsecproxy:1.0:p1:*:*:*:*:*:* |
| uninett | radsecproxy | 1.1 | cpe:2.3:a:uninett:radsecproxy:1.1:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.1 | cpe:2.3:a:uninett:radsecproxy:1.1:alpha:*:*:*:*:*:* |
| uninett | radsecproxy | 1.1 | cpe:2.3:a:uninett:radsecproxy:1.1:beta:*:*:*:*:*:* |
| uninett | radsecproxy | 1.2 | cpe:2.3:a:uninett:radsecproxy:1.2:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.3 | cpe:2.3:a:uninett:radsecproxy:1.3:alpha:*:*:*:*:*:* |
| uninett | radsecproxy | 1.3 | cpe:2.3:a:uninett:radsecproxy:1.3:beta:*:*:*:*:*:* |
| uninett | radsecproxy | 1.3.1 | cpe:2.3:a:uninett:radsecproxy:1.3.1:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.4 | cpe:2.3:a:uninett:radsecproxy:1.4:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.4.1 | cpe:2.3:a:uninett:radsecproxy:1.4.1:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.4.2 | cpe:2.3:a:uninett:radsecproxy:1.4.2:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.4.3 | cpe:2.3:a:uninett:radsecproxy:1.4.3:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.5 | cpe:2.3:a:uninett:radsecproxy:1.5:*:*:*:*:*:*:* |
| uninett | radsecproxy | 1.6 | cpe:2.3:a:uninett:radsecproxy:1.6:*:*:*:*:*:*:* |