CVE-2025-41705

6.8 MEDIUM

📋 TL;DR

CVE-2025-41705 allows an unauthenticated attacker positioned as a man-in-the-middle (MITM) to intercept websocket communications and capture login credentials for the Webfrontend. This affects systems using vulnerable websocket implementations without proper encryption or authentication. Organizations using affected products with exposed web interfaces are at risk.

💻 Affected Systems

Products:
  • Specific product information not provided in references
Versions: Version information not specified in provided references
Operating Systems: Not specified
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability affects websocket implementations in web interfaces; exact products require checking vendor advisories.

⚠️ 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

Attackers gain administrative access to the system, leading to complete compromise, data theft, and potential lateral movement within the network.

🟠

Likely Case

Attackers capture valid credentials and gain unauthorized access to the web interface, potentially modifying configurations or accessing sensitive data.

🟢

If Mitigated

With proper network segmentation and monitoring, impact is limited to credential exposure requiring password resets.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Requires MITM position; no public exploit code known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor-specific updates

Vendor Advisory: https://certvde.com/de/advisories/VDE-2025-072

Restart Required: No

Instructions:

1. Check vendor advisory for specific patch information. 2. Apply vendor-provided security updates. 3. Verify websocket implementation uses proper encryption (WSS).

🔧 Temporary Workarounds

Enforce HTTPS/WSS Only

all

Configure web servers to only accept HTTPS and WSS connections, preventing unencrypted websocket traffic.

# Configure web server to redirect HTTP to HTTPS
# Set HSTS headers
# Disable plain websocket (WS) protocol

Network Segmentation

all

Isolate vulnerable systems from untrusted networks to reduce MITM attack surface.

# Implement firewall rules to restrict access
# Use VLAN segmentation
# Deploy in protected network zones

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can reach the vulnerable interface
  • Deploy certificate pinning or mutual TLS authentication for websocket connections

🔍 How to Verify

Check if Vulnerable:

Test if websocket connections are using unencrypted WS protocol instead of encrypted WSS

Check Version:

Check application version against vendor's patched version list

Verify Fix Applied:

Verify all websocket connections use WSS (wss://) and test for MITM resistance

📡 Detection & Monitoring

Log Indicators:

  • Multiple failed login attempts from new locations
  • Unusual websocket connection patterns
  • Authentication logs showing access from unexpected IPs

Network Indicators:

  • Unencrypted websocket traffic (WS protocol)
  • MITM attack patterns in network traffic
  • Suspicious ARP or DNS poisoning attempts

SIEM Query:

source="websocket_logs" AND (protocol="ws" OR tls_version="none")

🔗 References

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