High severity · published Jan 28, 2022
CVE-2021-40389
A privilege escalation vulnerability exists in the installation of Advantech DeviceOn/iEdge Server 1.0.2
8.8
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
Deviceon/iedge · Advantech
1.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40389
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40389
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1400
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