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Vulnerability record · CVE-2023-5767 · published 4 December 2023

CVE-2023-5767: Hitachienergy rtu520 firmware cross-site scripting vulnerability

Hitachienergy · Rtu520 Firmware

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 an RDT language file being improperly sanitized.

6.1 CVSS 3.1 Medium EPSS 0.39% · top 69.2% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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 an RDT language file being improperly sanitized.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=en&Preview=true Vendor Advisory
https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=en&Preview=true Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-5767), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.