PatchTheCVECVE-2019-8900: A vulnerability in the SecureROM of some Apple devices can be exploited by an unauthenticated local attacker t
CVE-2019-8900 is a medium-severity flaw (CVSS 6.8) affecting securerom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability in the SecureROM of some Apple devices can be exploited by an unauthenticated local attacker to execute arbitrary code upon booting those devices. This vulnerability allows arbitrary code to be executed on the device. Exploiting the vulnerability requires physical access to the device: the device must be plugged in to a computer upon booting, and it must be put into Device Firmware Update (DFU) mode. The exploit is not persistent;
Why this priority
- EPSS top 1%: very likely to be exploited
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.8 (Medium) |
| Attack vector | Physical |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 69.5% (top 1%) |
| CISA exploited list | No |
| Weakness | CWE-94 |
| Published | 2025-02-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-8900?
securerom: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-8900 being exploited?
CVE-2019-8900 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-8900 affect?
CVE-2019-8900 affects securerom. Severity is medium (CVSS 6.8). A vulnerability in the SecureROM of some Apple devices can be exploited by an unauthenticated local attacker to execute arbitrary code upon booting those devices. This vulnerability allows arbitrary code to be executed on the device. Exploi
How urgent is CVE-2019-8900?
Priority 49/100. EPSS top 1%: very likely to be exploited