CVE-2024-11499 Null dereference in RTU500
An authenticated attacker can cause a denial of service by triggering a null dereference during certificate updates on active connections.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-11499?
CVE-2024-11499 is a medium-severity vulnerability in Hitachi Energy RTU500, published on 25 Mar 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart. The vulnerability can be triggered if certificates are updated while in use on active connections.
The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.
Weakness: CWE-476
Which versions are affected by CVE-2024-11499?
How do I fix CVE-2024-11499?
No fix has been published for CVE-2024-11499 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-11499 being exploited?
There is no known exploitation of CVE-2024-11499 in the wild and no public exploit code.
Sources
Also known as GHSA-h77r-2p45-qp9h.