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CVE-2021-30464

OMICRON StationGuard before 1.10 allows remote attackers to cause a denial of service ...

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.20%Up 0.2 points since Apr 21, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2021-30464
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-30464
Updated
2026-11-02
EUVDEUVD-2021-17389 No score

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.

Record
EUVD-2021-17389
Updated
2026-11-03
GitHub AdvisoriesGHSA-pj65-m939-vpp3 No score

OMICRON StationGuard before 1.10 allows remote attackers to cause a denial of service ...

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.

Record
GHSA-pj65-m939-vpp3
Weakness
CWE-400
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-30464 is a high vulnerability (CVSS 7.5) in Omicronenergy Stationguard, published April 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. No source names a fixed version.

References

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