PT-2025-26720 · Unknown · Microscada X Sys600

Published 2025-06-24 · Updated 2026-01-30 · CVE-2025-39205

Positive Technologies (AI Summary)

CVSS v4.0

7.1

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: MicroSCADA X SYS600 (affected versions not specified)

Description: A vulnerability exists in the IEC 61850 protocol implementation, allowing a remote Man-in-the-Middle attack due to missing proper validation of the TLS protocol's certificate validation.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

BDU:2025-07721

CVE-2025-39205

Affected Products

Microscada X Sys600

References · 8

• https://bdu.fstec.ru/vul/2025-07721 · Security Note
• https://osv.dev/vulnerability/CVE-2025-39205 · Vendor Advisory
• https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-39205 · Security Note
• https://t.me/cvenotify/126476 · Telegram Post
• https://twitter.com/CVEnew/status/1937488587777253836 · Twitter Post
• https://t.me/cveNotify/150436 · Telegram Post
• https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch · Note