CVE-2013-5143

CVE-2013-5143 is a medium-severity vulnerability in Apple Os X Server with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The RADIUS service in Server App in Apple OS X Server before 3.0 selects a fallback X.509 certificate in unspecified circumstances, which might allow man-in-the-middle attackers to hijack RADIUS sessions by leveraging knowledge of the private key that matches this fallback certificate.

Frequently asked questions

What is CVE-2013-5143?
The RADIUS service in Server App in Apple OS X Server before 3.0 selects a fallback X.509 certificate in unspecified circumstances, which might allow man-in-the-middle attackers to hijack RADIUS sessions by leveraging knowledge of the private key that matches this fallback certificate.
How severe is CVE-2013-5143?
CVE-2013-5143 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-5143 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5143?
CVE-2013-5143 primarily affects Apple Os X Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5143?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5143 published?
CVE-2013-5143 was published on 2013-10-24 and last updated on 2026-06-16.

References

Affected products (6)

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