CWE
17
Advisory Published
Updated

CVE-2015-5914

First published: Fri Oct 09 2015(Updated: )

The EFI component in Apple OS X before 10.11 allows physically proximate attackers to modify firmware during the EFI update process by inserting an Apple Ethernet Thunderbolt adapter with crafted code in an Option ROM, aka a "Thunderstrike" issue. NOTE: this issue exists because of an incomplete fix for CVE-2014-4498.

Credit: product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS and macOS<=10.10.5

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2015-5914?

    CVE-2015-5914 has a medium severity level due to its ability to allow firmware modification through physical access.

  • How do I fix CVE-2015-5914?

    To fix CVE-2015-5914, upgrade to a version of macOS later than 10.10.5 that addresses the vulnerability.

  • Who is affected by CVE-2015-5914?

    CVE-2015-5914 affects users of Apple OS X versions prior to 10.11, particularly those who could be targeted by physically proximate attackers.

  • What causes CVE-2015-5914?

    CVE-2015-5914 is caused by an incomplete firmware update process that allows an attacker to insert crafted code via an Apple Ethernet Thunderbolt adapter.

  • Can CVE-2015-5914 be exploited remotely?

    No, CVE-2015-5914 requires physical access to the machine to exploit the vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203