CVE-2023-6711 Memory corruption in RTU500 series CMU Firmware
Attackers can cause a reboot of Hitachi Energy RTU500 CMU devices by sending specially crafted messages that trigger a buffer overflow.
- 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-2023-6711?
CVE-2023-6711 is a medium-severity memory corruption vulnerability in Hitachi Energy RTU500 series CMU Firmware, published on 19 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability exists in SCI IEC 60870-5-104 and HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Specially crafted messages sent to the mentioned components are not validated properly and can result in buffer overflow and as final consequence to a reboot of an RTU500 CMU.
Weakness: CWE-120
Which versions are affected by CVE-2023-6711?
It affects 1 product.
Products include Hitachienergy Rtu500 Firmware.
How do I fix CVE-2023-6711?
No fix has been published for CVE-2023-6711 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-6711 being exploited?
There is no known exploitation of CVE-2023-6711 in the wild and no public exploit code.
Other vulnerabilities in Hitachi Energy RTU500 series CMU Firmware
Sources
Also known as GHSA-x25m-g22v-6hgf.