What’s Vulnerable › Vulnerabilities

CVE-2023-29158: SUBNET PowerSYSTEM Center Authentication Bypass by Capture-replay

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-19 · updated 2026-06-17
• Weakness: CWE-294

Description

SUBNET PowerSYSTEM Center versions 2020 U10 and prior are vulnerable to replay attacks which may result in a denial-of-service condition or a loss of data integrity.

Affected products

• SUBNET Solutions Inc. PowerSYSTEM Center: before 2020; 2020, 2020-u10 — fixed in 2020

How to fix

Upgrade to a fixed version: SUBNET Solutions Inc. PowerSYSTEM Center 2020. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-01
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-01

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