Full Report
SINEC Security Monitor before V4.9.0 contains multiple vulnerabilities. Siemens has released a new version for Siemens SINEC Security Monitor and recommends to update to the latest version.
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in Siemens SINEC Security Monitor (< V4.9.0)
## CVE Details
This advisory covers multiple vulnerabilities (CVE-2024-47553, CVE-2024-47562, CVE-2024-47563, CVE-2024-47565). The advisory specifies a combined CVSS v3.1 Base Score of **9.9** (Critical) and a CVSS v4.0 Base Score of **9.4** (Critical), likely derived from the highest scoring vulnerability (CVE-2024-47553).
- CVE ID: CVE-2024-47553, CVE-2024-47562, CVE-2024-47563, CVE-2024-47565
- CVSS Score: 9.9 (v3.1) / 9.4 (v4.0) (Critical, based on highest score)
- CWE: CWE-88 (Argument Injection), CWE-77 (Command Injection), CWE-22 (Path Traversal), CWE-183 (Permissive List of Allowed Inputs)
## Affected Systems
- Products: Siemens SINEC Security Monitor
- Versions: All versions **before V4.9.0**
- Configurations: Varies by CVE; some require authentication/privilege, others are unauthenticated.
## Vulnerability Description
This advisory addresses four distinct security flaws impacting the `ssmctl-client` and file handling components of SINEC Security Monitor:
1. **CVE-2024-47553 (Argument Injection, Remote Code Execution):** Flaw in user input validation for the `ssmctl-client` command allows a *lowly privileged, authenticated remote attacker* to execute arbitrary system commands with **root privileges**.
2. **CVE-2024-47562 (Command Injection):** Insufficient neutralization of special elements in user input to the `ssmctl-client` command allows a *lowly privileged, authenticated local attacker* to execute privileged commands on the OS.
3. **CVE-2024-47563 (Path Traversal):** Improper validation of a file path supplied to a CSR file creation endpoint allows an *unauthenticated remote attacker* to write files outside the intended directory structure, potentially compromising integrity in writable directories.
4. **CVE-2024-47565 (Configuration Integrity):** Failure to validate user input against an allowed list value allows an *authenticated remote attacker* to compromise application configuration integrity.
## Exploitation
- Status: **PoC available** (Based on the presence of E:P in all vector strings, indicating proof-of-concept is available, though the advisory does not explicitly state "in the wild").
- Complexity: Varies (Low for CVE-2024-47553 and CVE-2024-47563).
- Attack Vector: Network (For RCE/Path Traversal), Adjacent (For Local Command Injection).
## Impact
| CVE | Confidentiality | Integrity | Availability |
| :--- | :--- | :--- | :--- |
| **CVE-2024-47553** | High (Root access implies full C) | High (Root access implies full I) | High (Root access implies full A) |
| **CVE-2024-47562** | High | High | High |
| **CVE-2024-47563** | None/Low | Low | None |
| **CVE-2024-47565** | None | Low | None |
## Remediation
### Patches
- Update Siemens SINEC Security Monitor to **V4.9.0 or a later version**.
- Vendor Advisory Link: hxxps://support.industry.siemens.com/cs/ww/en/view/109975096/
### Workarounds
- The advisory refers to specific product remediations within the main advisory section and recommends following **General Security Recommendations**.
- Apply network access controls to protect the device infrastructure.
- Configure the environment according to Siemens' operational guidelines for Industrial Security.
## Detection
- Detection methods are not explicitly detailed, but standard host and network intrusion detection systems monitoring the `ssmctl-client` command executions or anomalous file writes outside expected directories should be utilized.
- **IOCs** would generally involve monitoring for suspicious commands executed as the `root` user initiated via the `ssmctl-client` interface, or unauthorized entity file creation.
## References
- Vendor Advisory: hxxps://cert-portal.siemens.com/productcert/html/ssa-430425.html
- General Security Guidelines: hxxps://www.siemens.com/cert/operational-guidelines-industrial-security
- Siemens Industrial Security Portal: hxxps://www.siemens.com/industrialsecurity