CVE-2022-2277 Denial of service in MicroSCADA X SYS600

High 7.5 Published 14 Sep 2022 Updated 4 Jun 2025

Attackers can cause denial of service in Hitachi MicroSCADA X SYS600 by sending ICCP data with future timestamps, requiring ICCP to be enabled.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-2277?

CVE-2022-2277 is a high-severity denial of service vulnerability in Hitachi Energy MicroSCADA X SYS600, published on 14 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Input Validation vulnerability exists in the Hitachi Energy MicroSCADA X SYS600's ICCP stack during the ICCP communication establishment causes a denial-of-service when ICCP of SYS600 is request to forward any data item updates with timestamps too distant in the future to any remote ICCP system. By default, ICCP is not configured and not enabled. This issue affects: Hitachi Energy MicroSCADA X SYS600 version 10.2 to version 10.3.1. 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:*:*:*:*:*:*:*

Weakness: CWE-1284

Which versions are affected by CVE-2022-2277?

It affects 1 product.

Products include Hitachienergy Microscada X Sys600.

How do I fix CVE-2022-2277?

No fix has been published for CVE-2022-2277 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-2277 being exploited?

There is no known exploitation of CVE-2022-2277 in the wild and no public exploit code.

Sources

Also known as GHSA-m8wx-w8wv-8q47.