How severe is CVE-2022-29922?

CVE-2022-29922 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-29922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29922?

CVE-2022-29922 affects Hitachienergy Microscada X Sys600. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29922?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-29922 published?

CVE-2022-29922 was published on 2022-09-14 and last updated on 2026-06-17.

CVE-2022-29922

CVE-2022-29922 is a high-severity vulnerability in Hitachienergy Microscada X Sys600 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hitachienergy Microscada X Sys600
Published: 2022-09-14
Last modified: 2026-06-17

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:*:*:*:*:*:*:*

Frequently asked questions

What is CVE-2022-29922?: 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:*:*:*:*:*:*:*
How severe is CVE-2022-29922?: CVE-2022-29922 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-29922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29922?: CVE-2022-29922 affects Hitachienergy Microscada X Sys600. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29922?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-29922 published?: CVE-2022-29922 was published on 2022-09-14 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=8DBD000106&LanguageCode=en&DocumentPartId=&Action=Launch

Affected products (1)

cpe:2.3:a:hitachienergy:microscada_x_sys600:*:*:*:*:*:*:*:*

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