CVE-2021-30464

HIGH 7.5CVE-2021-30464 · Published 20/04/2021 · updated 17/06/2026

In short

CVE-2021-30464 is a HIGH (CVSS 7.5) vulnerability affecting stationguard (omicronenergy).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.3% of all vulnerabilities.
Fix: update to 1.10 or later.

Package	Affected versions	Patched versions
stationguard omicronenergy	`< 1.10`	`1.10`

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.

References

omicronenergy.com/download/file/e81f23250097e7d5e1071dfbdb7f16d2 · Vendor Advisory
omicronenergy.com/en/support/product-security · Vendor Advisory

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