Is CVE-2014-5239 being actively exploited?

CVE-2014-5239 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-5239?

CVE-2014-5239 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2014-5239

MEDIUM · CVSS 4.0EPSS 2.9%EU EUVD

The Microsoft Outlook.com application before 7.8.2.12.49.7090 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:H/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-310
EPSS score: 2.9% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-5137)
Published: August 14, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-5137 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / outlook.com
microsoft / outlook.com
microsoft / outlook.com
microsoft / outlook.com
microsoft / outlook.com

References

http://jvn.jp/en/jp/JVN72950786/index.html(Vendor Advisory)
http://jvndb.jvn.jp/jvndb/JVNDB-2014-000086(Vendor Advisory)
http://www.securitytracker.com/id/1030733

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

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