CVE-2021-40389

8.8 highEPSS 0.4%

High (8.8) in advantech deviceon\/iedge. EPSS 0.4% chance of exploitation in the next 30 days.

A privilege escalation vulnerability exists in the installation of Advantech DeviceOn/iEdge Server 1.0.2. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-276
Published: 2022-01-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

advantech:deviceon\/iedge

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1400
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1400

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