XSS in Hitachi Energy Rtu500 Series
CVE-2023-5768
A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets. Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Hitachi Energy Rtu500 Series — versions RTU500 series CMU Firmware version 12.0.1 – 12.0.14, RTU500 series CMU Firmware version 12.2.1 – 12.2.11, RTU500 series CMU Firmware version 12.4.1 – 12.4.11
- Hitachienergy Rtu520
- Hitachienergy Rtu520_firmware
- Hitachienergy Rtu530
- Hitachienergy Rtu530_firmware
- Hitachienergy Rtu540
- Hitachienergy Rtu540_firmware
- Hitachienergy Rtu560
- Hitachienergy Rtu560_firmware
Weakness classification (CWE)
References
- cybersecurity@hitachienergy.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5768?
- CVE-2023-5768 is a medium-severity vulnerability in Hitachi Energy Rtu500 Series, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2023-12-04.
- How severe is CVE-2023-5768?
- Medium severity. CVSS v3 base score is 5.9 out of 10.