Full Report
Industrial Edge Management contains an Authorization Bypass vulnerability that could allow an unauthenticated remote attacker to impersonate other devices onboarded to the system. Siemens has released new versions for the affected products and recommends to update to the latest versions.
Analysis Summary
# Vulnerability: Authorization Bypass in Siemens Industrial Edge Management
## CVE Details
- CVE ID: CVE-2024-45032
- CVSS Score: 10.0 (Critical) (Both CVSS v3.1 and v4.0 are 10.0)
- CWE: CWE-639: Authorization Bypass Through User-Controlled Key
## Affected Systems
- Products: Industrial Edge Management Pro, Industrial Edge Management Virtual
- Versions:
- Industrial Edge Management Pro: All versions < V1.9.5
- Industrial Edge Management Virtual: All versions < V2.3.1-1
- Configurations: Applicable if using the listed affected versions of the management platform.
## Vulnerability Description
The vulnerability stems from affected Industrial Edge Management components not properly validating device tokens. This flaw allows an unauthenticated, remote attacker to impersonate other devices that are onboarded to the system by bypassing authorization checks.
## Exploitation
- Status: Not explicitly stated as exploited in the wild, but the high severity and CVSS vector suggest potential for easy exploitation.
- Complexity: Low (CVSS Metrics: AC:L - Low Attack Complexity)
- Attack Vector: Network (CVSS Metrics: AV:N - Network)
## Impact
- Confidentiality: High (C:H)
- Integrity: High (I:H)
- Availability: High (A:H)
*(Note: The CVSS vector indicates the highest potential impact across all three aspects.)*
## Remediation
### Patches
- **Industrial Edge Management Pro:** Update to **V1.9.5** or later.
- **Industrial Edge Management Virtual:** Update to **V2.3.1-1** or later.
### Workarounds
- Siemens recommends protecting network access to devices using appropriate mechanisms.
- Configure the environment according to Siemens' operational guidelines for Industrial Security.
## Detection
- **Indicators of Compromise:** Not specified in the advisory, but monitoring network traffic for unusual device token usage or unauthorized access attempts should be prioritized.
- **Detection Methods and Tools:** Utilize network monitoring and intrusion detection systems to look for authentication/authorization anomalies pointing to device impersonation attempts.
## References
- Vendor Advisories: SSA-359713
- Relevant Links:
- Siemens Industrial Edge Hub: hxxps://iehub.eu1.edge.siemens.cloud/
- Siemens Operational Guidelines for Industrial Security: hxxps://www.siemens.com/cert/operational-guidelines-industrial-security
- Siemens Industrial Security Information: hxxps://www.siemens.com/industrialsecurity