Full Report
Industrial Edge Management is affected by a vulnerability that could allow a remote attacker to cause a denial of service condition. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
Analysis Summary
# Vulnerability: Denial of Service in Siemens Industrial Edge Management
## CVE Details
- CVE ID: CVE-2025-48976
- CVSS Score: 7.5 (High)
- CWE: CWE-770: Allocation of Resources Without Limits or Throttling
## Affected Systems
- Products: Industrial Edge Management OS (IEM-OS)
- Versions: All versions affected by CVE-2025-48976
- Configurations: Not specifically documented beyond the product/version scope.
## Vulnerability Description
The vulnerability stems from the allocation of resources for multipart headers with insufficient limits within an underlying component, Apache Commons FileUpload. Successful exploitation allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) condition on the affected system.
## Exploitation
- Status: Not explicitly stated, assume PoC may be available due to CWE type.
- Complexity: Low (based on CVSS vector AV:N/AC:L/PR:N/UI:N - Network, Low Complexity, No Privileges Required, No User Interaction)
- Attack Vector: Network
## Impact
- Confidentiality: No Impact
- Integrity: No Impact
- Availability: High Impact (DoS condition)
## Remediation
### Patches
- Currently, **no fix is planned** for Industrial Edge Management OS (IEM-OS).
### Workarounds
1. Limit access to trusted users and systems only (Network segmentation/ACLs).
2. Configure the environment according to Siemens' operational guidelines for Industrial Security.
3. Protect network access to devices with appropriate mechanisms.
4. Customers are advised to migrate to Industrial Edge Management Virtual (IEM-V) where applicable.
## Detection
- Detection methods are not explicitly detailed, but monitoring network traffic for unusual, large, or malformed multipart upload attempts targeting IEM-OS services can be a potential indicator.
- Follow general security recommendations provided by the vendor for environmental hardening.
## References
- Vendor Advisories: SSA-640476
- General Security Guidelines: https://www.siemens.com/cert/operational-guidelines-industrial-security
- Siemens Industrial Security Information: https://www.siemens.com/industrialsecurity