Description
CWE-269: Improper Privilege Management vulnerability exists for two services (of which one managing audit trail data and the other acting as server managing client request) that could cause a loss of Confidentiality, Integrity and Availability of engineering workstation when an attacker with standard privilege modifies the executable path of the windows services. To be exploited, services need to be restarted.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Schneider Electric / EcoStruxure™ Process ExpertVersions 2020R2 – Versions 2020R2
- Schneider Electric / EcoStruxure™ Process ExpertVersions 2021 & 2023 (prior to v4.8.0.5715) – Versions 2021 & 2023 (prior to v4.8.0.5715)
- Schneider Electric / EcoStruxure™ Process Expert for AVEVA System PlatformVersions 2020R2 – Versions 2020R2
- Schneider Electric / EcoStruxure™ Process Expert for AVEVA System PlatformVersions 2021 & 2023 – Versions 2021 & 2023