Vulnerability · Published Dec 19, 2023 · Assigned by Hitachi Energy
CVE-2023-6711
Medium 5.9
In plain English
A medium-severity buffer overflow in RTU500 series CMU Firmware from Hitachi Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.7%top 47.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hitachi Energy | RTU500 series CMU Firmware | 12.0.1 – through 12.0.1412.2.1 – through 12.2.1112.4.1 – through 12.4.1112.6.1 – through 12.6.912.7.1 – through 12.7.613.2.1 – through 13.2.613.4.1 – through 13.4.313.5.1 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H