Is CVE-2013-5143 being actively exploited?

CVE-2013-5143 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-5143?

CVE-2013-5143 has a CVSS 2.0 base score of 6.8 (MEDIUM).

CVE-2013-5143

MEDIUM · CVSS 6.8EPSS 0.6%EU EUVD

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.

Key facts

CVSS score: 6.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS score: 0.6% (46th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4983)
Published: October 24, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4983 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

apple / os x server
apple / os x server
apple / os x server
apple / os x server
apple / os x server
apple / os x server

References

http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain