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 wr
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.
| Vendor | Product | Versions |
|---|---|---|
| Hitachi Energy | RTU500 series | 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 , RTU500 series CMU Firmware version 12.6.1 – 12.6.9 , RTU500 series CMU Firmware version 12.7.1 – 12.7.6, RTU500 series CMU Firmware version 13.2.1 – 13.2.6 , RTU500 series CMU Firmware version 13.4.1 – 13.4.3 |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
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No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.