CVE-2024-12169 Denial of service in RTU500
An attacker can restart the RTU500 controlled station via a specific attack sequence when secure communication is enabled, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-12169?
CVE-2024-12169 is a high-severity denial of service vulnerability in Hitachi Energy RTU500, published on 25 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability exists in RTU500 IEC 60870-5-104 controlled station functionality and IEC 61850 functionality, that allows an attacker performing a specific attack sequence to restart the affected CMU. This vulnerability only applies, if secure communication using IEC 62351-3 (TLS) is enabled.
Which versions are affected by CVE-2024-12169?
How do I fix CVE-2024-12169?
No fix has been published for CVE-2024-12169 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-12169 being exploited?
There is no known exploitation of CVE-2024-12169 in the wild and no public exploit code.
Sources
Also known as GHSA-6pf8-q335-vxv9.