CVE-2023-5769 Cross-site scripting in RTU500

Medium 5.4 Published 14 Dec 2023 Updated 2 Aug 2024

A malicious actor can perform cross-site scripting on the Hitachi RTU500 webserver due to improper input sanitization.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-5769?

CVE-2023-5769 is a medium-severity cross-site scripting vulnerability in Hitachi Energy RTU500, published on 14 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability exists in the webserver that affects the RTU500 series product versions listed below. A malicious actor could perform cross-site scripting on the webserver due to user input being improperly sanitized.

Weakness: CWE-79

Which versions are affected by CVE-2023-5769?

It affects 4 products.

Products include Hitachienergy Rtu520 Firmware, Hitachienergy Rtu530 Firmware, Hitachienergy Rtu540 Firmware, Hitachienergy Rtu560 Firmware.

How do I fix CVE-2023-5769?

No fix has been published for CVE-2023-5769 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-5769 being exploited?

There is no known exploitation of CVE-2023-5769 in the wild and no public exploit code.

Sources

Also known as GHSA-q94h-2h95-cmhh.