CVE-2022-1778 Memory corruption in MicroSCADA X SYS600

High 7.5 Published 14 Sep 2022 Updated 4 Jun 2025

An input validation flaw in Hitachi Energy MicroSCADA X SYS600 causes a buffer overflow during startup, leading to a denial of service.

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-2022-1778?

CVE-2022-1778 is a high-severity memory corruption 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 in Hitachi Energy MicroSCADA X SYS600 while reading a specific configuration file causes a buffer-overflow that causes a failure to start the SYS600. The configuration file can only be accessed by an administrator access. This issue affects: Hitachi Energy MicroSCADA X SYS600 version 10 to version 10.3.1. 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:*:*:*:*:*:*:*

Weakness: CWE-119

Which versions are affected by CVE-2022-1778?

It affects 1 product.

Products include Hitachienergy Microscada X Sys600.

How do I fix CVE-2022-1778?

No fix has been published for CVE-2022-1778 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-1778 being exploited?

There is no known exploitation of CVE-2022-1778 in the wild and no public exploit code.

Sources

Also known as GHSA-84rx-9qxm-ffcf.