01 Record
CVE-2021-30464
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.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.19% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 68.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-04-20 18:29Z5 YR AGO
- Last updated
- 2024-08-03 22:32Z2 YR AGO
- Reserved
- 2021-04-08
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- 2a57ada468950fa29c728f5da418ce37a8d951602839d82cddb11db03d8e51ec
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.omicronenergy.comhttps://www.omicronenergy.com/en/support/product-security/
- www.omicronenergy.comhttps://www.omicronenergy.com/download/file/e81f23250097e7d5e1071dfbdb7f16d2/