What’s Vulnerable › Vulnerabilities

CVE-2024-3313: SUBNET PowerSYSTEM Server and Substation Server Reliance on Insufficiently Trustworthy Component

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-09 · updated 2026-06-17
• Weakness: CWE-1357

Description

SUBNET Solutions Inc. has identified vulnerabilities in third-party components used in PowerSYSTEM Server 2021 and Substation Server 2021.

Affected products

• SUBNET Solutions Inc. PowerSYSTEM Center: before 4.07.00 — fixed in 4.07.00
• SUBNET SubSTATION Server 2 Telegyr 8979 Master Protocol: before 4.07.00 — fixed in 4.07.00

How to fix

Upgrade to a fixed version: SUBNET Solutions Inc. PowerSYSTEM Center 4.07.00; SUBNET SubSTATION Server 2 Telegyr 8979 Master Protocol 4.07.00. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-24-100-01
• https://www.cisa.gov/news-events/ics-advisories/icsa-24-100-01

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