Is CVE-2013-5181 being actively exploited?

CVE-2013-5181 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-5181?

CVE-2013-5181 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2013-5181

MEDIUM · CVSS 4.3EPSS 1.5%EU EUVD

The auto-configuration feature in Mail in Apple Mac OS X before 10.9 selects plaintext authentication for unspecified servers that support CRAM-MD5 authentication, which allows remote attackers to obtain sensitive information by sniffing the network.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-310
EPSS score: 1.5% (75th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-5021)
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-2013-5021 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
apple / mac os x
apple / mac os x
apple / mac os x
apple / mac os x
apple / mac os x
apple / mac os x

References

http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.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