CVE-2024-45483 Missing GRUB password in B&R APROL
An unauthenticated physical attacker can modify the GRUB boot configuration to gain unauthorized control over the operating system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-45483?
CVE-2024-45483 is a high-severity missing authorization vulnerability in B&R Industrial Automation GmbH APROL, published on 25 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A Missing Authentication for Critical Function vulnerability in the GRUB configuration used B&R APROL <4.4-01 may allow an unauthenticated physical attacker to alter the boot configuration of the operating system.
Weakness: CWE-306
Which versions are affected by CVE-2024-45483?
How do I fix CVE-2024-45483?
No fix has been published for CVE-2024-45483 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-45483 being exploited?
There is no known exploitation of CVE-2024-45483 in the wild and no public exploit code.
Sources
Also known as GHSA-mhcg-8f2w-mrwx.