CVE-2024-33495

6.5 MEDIUM

📋 TL;DR

This vulnerability in SIMATIC RTLS Locating Manager allows unauthenticated remote attackers to cause denial of service by flooding the system with excessive log entries, exhausting system resources. It affects multiple SIMATIC RTLS Locating Manager product variants. Attackers need access to specific RTLS clients in the deployment to exploit this vulnerability.

💻 Affected Systems

Products:
  • SIMATIC RTLS Locating Manager (6GT2780-0DA00)
  • SIMATIC RTLS Locating Manager (6GT2780-0DA10)
  • SIMATIC RTLS Locating Manager (6GT2780-0DA20)
  • SIMATIC RTLS Locating Manager (6GT2780-0DA30)
  • SIMATIC RTLS Locating Manager (6GT2780-1EA10)
  • SIMATIC RTLS Locating Manager (6GT2780-1EA20)
  • SIMATIC RTLS Locating Manager (6GT2780-1EA30)
Versions: All versions < V3.0.1.1
Operating Systems: Not specified in CVE
Default Config Vulnerable: ⚠️ Yes
Notes: All affected products in default configuration are vulnerable. Exploitation requires access to specific SIMATIC RTLS Locating Manager Clients.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system unavailability due to resource exhaustion, disrupting real-time locating operations in industrial environments.

🟠

Likely Case

Degraded system performance or temporary service interruptions affecting location tracking functionality.

🟢

If Mitigated

Minimal impact with proper network segmentation and access controls limiting attacker reach.

🌐 Internet-Facing: MEDIUM - While the exploit is unauthenticated, attackers need access to specific RTLS clients which are typically not internet-facing in industrial deployments.
🏢 Internal Only: HIGH - Internal attackers with network access to RTLS clients can easily trigger resource exhaustion attacks.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation is straightforward once attackers gain access to RTLS clients. No authentication required for the log flooding attack.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: V3.0.1.1

Vendor Advisory: https://cert-portal.siemens.com/productcert/html/ssa-093430.html

Restart Required: Yes

Instructions:

1. Download V3.0.1.1 from Siemens support portal. 2. Backup current configuration. 3. Install the update following Siemens documentation. 4. Restart the RTLS Locating Manager service. 5. Verify successful update.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate RTLS Locating Manager and clients from untrusted networks to prevent unauthorized access.

Access Control Lists

all

Implement strict firewall rules to limit which systems can communicate with RTLS clients.

🧯 If You Can't Patch

  • Implement network segmentation to isolate RTLS systems from potential attackers.
  • Monitor system resource usage and log generation rates for abnormal patterns.

🔍 How to Verify

Check if Vulnerable:

Check installed version in RTLS Locating Manager administration interface or configuration files.

Check Version:

Check via RTLS Locating Manager web interface or configuration files (specific command depends on deployment).

Verify Fix Applied:

Verify version shows V3.0.1.1 or higher in administration interface.

📡 Detection & Monitoring

Log Indicators:

  • Abnormally high log generation rates
  • System resource exhaustion warnings
  • Repeated connection attempts to RTLS clients

Network Indicators:

  • High volume of traffic to RTLS client ports
  • Unusual source IPs accessing RTLS services

SIEM Query:

source="rtls_manager" AND (log_count > threshold OR memory_usage > 90%)

🔗 References

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