CVE-2024-58310
📋 TL;DR
APC Network Management Card 4 contains an unauthenticated path traversal vulnerability that allows attackers to read sensitive system files like /etc/passwd by manipulating URL parameters. This affects APC Network Management Card 4 devices exposed to network access, potentially compromising system integrity and confidentiality.
💻 Affected Systems
- APC Network Management Card 4
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through credential theft, configuration file access, and potential privilege escalation leading to device takeover.
Likely Case
Unauthenticated attackers reading sensitive system files, potentially exposing credentials, configuration details, and system information.
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthorized network access to the management interface.
🎯 Exploit Status
Exploit code is publicly available on Exploit-DB (ID 51897), demonstrating simple HTTP requests with encoded path traversal characters.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - check vendor advisory
Vendor Advisory: https://www.apc.com/
Restart Required: No
Instructions:
1. Check APC website for security advisories. 2. Apply any available firmware updates. 3. Verify patch effectiveness by testing for vulnerability.
🔧 Temporary Workarounds
Network Segmentation
allIsolate APC management interface from untrusted networks using firewall rules and VLAN segmentation.
Access Control Lists
allImplement strict IP-based access controls to limit management interface access to authorized administrative networks only.
🧯 If You Can't Patch
- Implement network-level controls to restrict access to APC management interface to trusted IP addresses only.
- Monitor network traffic for path traversal patterns and unauthorized access attempts to management interface.
🔍 How to Verify
Check if Vulnerable:
Test with curl: curl -v 'http://[target]/path/to/vulnerable/endpoint?param=../../../etc/passwd' (use URL encoding as needed)Check Version:
Check device web interface or use SNMP queries to determine firmware version.Verify Fix Applied:
Attempt the same exploit after applying controls - should return access denied or proper error instead of file contents.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing path traversal patterns (../, ..\, encoded equivalents)
- Unauthorized file access attempts to system paths
Network Indicators:
- HTTP requests with encoded path traversal characters in URL parameters
- Multiple failed access attempts to sensitive file paths
SIEM Query:
source="apc_logs" AND (url="*%2e%2e%2f*" OR url="*..%2f*" OR url="*..\\*" OR url="*../*")