CVE-2015-5887

Name: CVE-2015-5887
Creator: NVD / NIST
Published: 2015-10-09T05:59:21.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.46%

Last modified Jun 17, 2026

CVE-2015-5887 is a vulnerability of currently unknown severity. The TLS Handshake Protocol implementation in Secure Transport in Apple OS X before 10.11 accepts a Certificate Request message within a session in which no Server Key Exchange message has been sent, which allows remote attackers to have an unspecified impact via crafted TLS data.. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

Description

The TLS Handshake Protocol implementation in Secure Transport in Apple OS X before 10.11 accepts a Certificate Request message within a session in which no Server Key Exchange message has been sent, which allows remote attackers to have an unspecified impact via crafted TLS data.

Metrics

EPSS Probability

2.46%

82.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-17

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	<= 10.10.5

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
http://www.securityfocus.com/bid/76908
http://www.securitytracker.com/id/1033703
https://support.apple.com/HT205267Vendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
http://www.securityfocus.com/bid/76908
http://www.securitytracker.com/id/1033703
https://support.apple.com/HT205267Vendor Advisory

Timeline

Published: Oct 9, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5887?

How severe is CVE-2015-5887?

Severity scoring for CVE-2015-5887 is pending analysis. The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5887?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5887?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST