Full Report
SINEC NMS before V2.0 SP1 is affected by multiple vulnerabilities. Siemens has released an update for SINEC NMS and recommends to update to the latest version.
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in SINEC NMS (Siemens Network Management System)
## CVE Details
- **Major CVE IDs:**
- **CVE-2024-23810:** SQL Injection (CWE-89)
- **CVE-2024-23811:** Unrestricted File Upload (CWE-434)
- **CVE-2024-23812:** OS Command Injection (CWE-78)
- *(Over 50 additional third-party library CVEs, including OpenSSL, Node.js, and Apache components)*
- **CVSS Score:**
- **CVSS v3.1:** 9.8 (Critical)
- **CVSS v4.0:** 9.4 (Critical)
- **CWE:** CWE-89, CWE-434, CWE-78
## Affected Systems
- **Products:** SINEC NMS
- **Versions:** All versions prior to V2.0 SP1
- **Configurations:** Systems with TFTP enabled are particularly susceptible to arbitrary file uploads.
## Vulnerability Description
SINEC NMS before V2.0 SP1 contains several high-impact flaws:
1. **SQL Injection (CVE-2024-23810):** Improper neutralization of special elements in SQL commands allows an attacker to manipulate database queries.
2. **Arbitrary File Upload (CVE-2024-23811):** The application allows users to upload files via TFTP without restricted types. This can be used to upload malicious firmware images or web shells.
3. **OS Command Injection (CVE-2024-23812):** Failure to neutralize special elements during report creation allows the execution of arbitrary operating system commands.
4. **Library Vulnerabilities:** Integration of older versions of common libraries (OpenSSL, cURL, Node.js) exposes the system to various side-channel attacks and memory corruption issues.
## Exploitation
- **Status:** PoC available (Indicated by CVSS "Exploit Code Maturity: Proof-of-Concept")
- **Complexity:** Low
- **Attack Vector:** Network / Adjacent (Varies by CVE; critical flaws are reachable via the network)
## Impact
- **Confidentiality:** High (Full access to sensitive management data and database contents)
- **Integrity:** High (Ability to modify configurations, firmware, and system files)
- **Availability:** High (Potential for complete system take-over or service disruption)
## Remediation
### Patches
- **SINEC NMS V2.0 SP1:** Siemens recommends updating to this version or later immediately.
- Download available via the Siemens industry support portal.
### Workarounds
Siemens indicates no specific workarounds are available beyond the official update. However, general security best practices for Industrial Control Systems (ICS) apply:
- Restrict network access to the SINEC NMS server to authorized personnel only.
- Disable unused services (such as TFTP) if they are not required for operational needs.
## Detection
- **Indicators of Compromise:**
- Unusual SQL error logs in the application database.
- Presence of unrecognized files in TFTP upload directories.
- Unexpected processes or command executions stemming from the report generation service.
- **Detection methods and tools:**
- Monitor network traffic for unauthorized TFTP transfers.
- Use SIEM/log analysis to identify suspicious OS command strings in application logs.
## References
- **Vendor Advisory:** hxxps://cert-portal.siemens[.]com/productcert/html/ssa-943925.html
- **Siemens ProductCERT:** hxxps://www.siemens[.]com/cert/advisories
- **Terms of Use:** hxxps://www.siemens[.]com/terms_of_use