How severe is CVE-2012-4566?

CVE-2012-4566 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2012-4566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4566?

CVE-2012-4566 primarily affects Uninett Radsecproxy. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4566?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4566 published?

CVE-2012-4566 was published on 2012-11-20 and last updated on 2026-06-16.

CVE-2012-4566

CVE-2012-4566 is a medium-severity vulnerability in Uninett Radsecproxy with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Uninett Radsecproxy
Published: 2012-11-20
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-4566?: 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.
How severe is CVE-2012-4566?: CVE-2012-4566 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2012-4566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4566?: CVE-2012-4566 primarily affects Uninett Radsecproxy. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4566?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4566 published?: CVE-2012-4566 was published on 2012-11-20 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:uninett:radsecproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.0:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.0:alpha:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.0:alpha-p1:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.0:p1:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.1:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.1:alpha:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.1:beta:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.2:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.3:alpha:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.3:beta:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.4:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.5:*:*:*:*:*:*:*
cpe:2.3:a:uninett:radsecproxy:1.6:*:*:*:*:*:*:*

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