What’s Vulnerable › Vulnerabilities

CVE-2021-30464

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-20 · updated 2026-06-17
• Weakness: CWE-400

Description

OMICRON StationGuard before 1.10 allows remote attackers to cause a denial of service (connectivity outage) via crafted tcp/20499 packets to the CTRL Ethernet port.

Affected products

• Omicronenergy Stationguard: before 1.10 — fixed in 1.10

How to fix

Upgrade to a fixed version: Omicronenergy Stationguard 1.10. Check the vendor advisory for mitigations.

References

• https://www.omicronenergy.com/download/file/e81f23250097e7d5e1071dfbdb7f16d2/
• https://www.omicronenergy.com/en/support/product-security/
• https://www.omicronenergy.com/download/file/e81f23250097e7d5e1071dfbdb7f16d2/
• https://www.omicronenergy.com/en/support/product-security/

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