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Vulnerability record · CVE-2021-40389 · published 28 January 2022

CVE-2021-40389: Advantech deviceon\/iedge incorrect default permissions vulnerability

Advantech · Deviceon\/Iedge

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.

8.8 CVSS 3.1 High EPSS 0.37% · top 72.2% CWE-276 · Incorrect default permissions
8.8CVSS 3.1 base score, v2 7.2
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1400 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1400 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2025-58423Advantech deviceon\/iedge path traversal vulnerabilityDue to insufficient sanitization, an attacker can upload a specially crafted configuration file to cause a denial-of-service condition, traverse dire…EPSS 0.52%8.7CVE-2025-59171Advantech deviceon\/iedge path traversal vulnerabilityDue to insufficient sanitization, an attacker can upload a specially crafted configuration file to traverse directories and achieve remote code execu…EPSS 0.71%8.7CVE-2025-62630Advantech deviceon\/iedge path traversal vulnerabilityDue to insufficient sanitization, an attacker can upload a specially crafted configuration file to traverse directories and achieve remote code execu…EPSS 0.68%5.3CVE-2025-64302Advantech deviceon\/iedge cross-site scripting vulnerabilityInsufficient input sanitization in the dashboard label or path can allow an attacker to trigger a device error causing information disclosure or data…EPSS 0.23%7.8CVE-2026-87886Acronis Backup plugins for cPanel, Plesk and DirectAdmin local privilege escalationAcronis Backup plugins for cPanel & WHM, Plesk and DirectAdmin on Linux ship with insecure file permissions (CWE-276), allowing a local user to escal…KEVEPSS 0.23%analysed6.5CVE-2022-22948VMware vCenter Server information disclosure via incorrect file permissionsvCenter Server ships files with incorrect default permissions, allowing a user with non-administrative access to read sensitive information. Because …KEVEPSS 13%analysed9.8CVE-2013-0632Adobe ColdFusion RDS default password authentication bypassAdobe ColdFusion 9.0 through 10 ships administrator.cfc with an RDS component that accepts a default empty password. An attacker can log in to RDS wi…KEVEPSS 94%analysed

Source: NIST National Vulnerability Database (record CVE-2021-40389), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.