CVE-2022-29922: A vulnerability exists in the handling of a specially crafted IEC 61850 packet with a valid data item but with incorrect data type in the IEC 61850 OPC Server. The vulnerability may cause a denial-of-service on the IEC 61850 OPC Server part of the SYS ...

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-14 · updated 2026-06-17
Weakness: CWE-20

Description

Improper Input Validation vulnerability in the handling of a specially crafted IEC 61850 packet with a valid data item but with incorrect data type in the IEC 61850 OPC Server in the Hitachi Energy MicroSCADA X SYS600, MicroSCADA Pro SYS600. The vulnerability may cause a denial-of-service on the IEC 61850 OPC Server part of the SYS600 product. This issue affects: Hitachi Energy MicroSCADA Pro SYS600 version 9.4 FP2 Hotfix 4 and earlier versions Hitachi Energy MicroSCADA X SYS600 version 10 to version 10.3.1. cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.0:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.2:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.3:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_pro_sys600:9.4:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.1.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.2:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.2.1:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.3:*:*:*:*:*:*:* cpe:2.3:a:hitachienergy:microscada_x_sys600:10.3.1:*:*:*:*:*:*:*

Affected products

Hitachi Energy MicroSCADA X SYS600: from 9.0 before 10.4 — fixed in 10.4

How to fix

Upgrade to a fixed version: Hitachi Energy MicroSCADA X SYS600 10.4. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-29922 or the next vulnerability affects your stack