CVE-2015-5914
The EFI component in Apple OS X before 10.11 allows physically proximate attackers to modify...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-5914- CVSS 2.0
- 4.7 Medium
AV:L/AC:M/Au:N/C:N/I:C/A:N - Weakness
- CWE-17
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-5914- Updated
- 2026-11-02
EUVDEUVD-2015-5860 No score
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.
- Record
EUVD-2015-5860- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f5j7-q9w6-v358 No score
The EFI component in Apple OS X before 10.11 allows physically proximate attackers to modify...
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.
- Record
GHSA-f5j7-q9w6-v358- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-5914 is a medium vulnerability (CVSS 4.7) in Apple Mac Os X, published October 9, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.