Improper Certificate Validation Vulnerability in Industrial Edge Management
Plan Patch7.4SSA-649853Oct 11, 2022
Attack VectorNetwork
Auth RequiredNone
ComplexityHigh
User InteractionNone needed
Summary
Industrial Edge Management versions prior to 1.5.1 contain an improper certificate validation flaw that allows an unauthenticated attacker to spoof the Industrial Edge Hub through man-in-the-middle techniques. The attacker can craft a malicious certificate to intercept and modify communication, injecting false maintenance requests such as remote support activation, configuration changes, or manipulation of device onboarding keys during initial setup. The vulnerability enables command injection into the IEM-IEH communication channel without requiring any credentials.
What this means
What could happen
An attacker could intercept communication between Industrial Edge Management and Edge Hub, impersonate a trusted system, and inject malicious requests to alter configurations, activate unauthorized remote access, or modify device onboarding keys.
Who's at risk
Manufacturing facilities and industrial plants operating Siemens Industrial Edge Management deployments should prioritize this update. This affects any organization using IEM to manage edge devices, particularly those relying on Industrial Edge Hub for distributed compute or device management across production sites.
How it could be exploited
The attacker performs a man-in-the-middle attack by crafting a fraudulent certificate and placing themselves in the network path between IEM and IEH. They can then send forged maintenance or configuration requests that the IEM accepts as legitimate, including remote support activation or key exchange manipulation during device onboarding.
Prerequisites
- Network access to the communication path between Industrial Edge Management and Industrial Edge Hub
- Ability to intercept or redirect network traffic (man-in-the-middle position)
- No authentication required from attacker
remotely exploitableno authentication requiredman-in-the-middle attack vectoraffects device management and onboardinghigh CVSS score (7.4)
Exploitability
Low exploit probability (EPSS 0.1%)
Affected products (1)
ProductAffected VersionsFix Status
Industrial Edge Management< V1.5.11.5.1
Remediation & Mitigation
0/1
Schedule — requires maintenance window
0/1Patching may require device reboot — plan for process interruption
HOTFIXUpdate Industrial Edge Management to version 1.5.1 or later
CVEs (1)
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