CVE-2024-41925
📋 TL;DR
This critical vulnerability in ONS-S8 Spectra Aggregation Switch web service allows attackers to bypass authentication, traverse directories, and execute arbitrary code due to improper input validation. Organizations using affected versions of this network switching equipment are at risk of complete system compromise.
💻 Affected Systems
- ONS-S8 Spectra Aggregation Switch
⚠️ 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
Full system compromise allowing attacker to execute arbitrary code, steal credentials, pivot to other network segments, and disrupt critical infrastructure operations.
Likely Case
Unauthorized access to sensitive configuration files, credential theft, and potential lateral movement within the network.
If Mitigated
Limited impact if proper network segmentation, authentication controls, and input validation are implemented.
🎯 Exploit Status
CWE-98 indicates improper control of filename for include/require statements, suggesting relatively straightforward exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-24-275-01
Restart Required: Yes
Instructions:
1. Review CISA advisory ICSA-24-275-01. 2. Contact vendor for specific patch. 3. Schedule maintenance window. 4. Apply firmware update. 5. Verify patch installation. 6. Restart affected devices.
🔧 Temporary Workarounds
Network Segmentation
allIsolate ONS-S8 management interface from untrusted networks
Access Control Lists
allRestrict access to management interface to authorized IP addresses only
🧯 If You Can't Patch
- Disable web management interface if not required
- Implement strict network segmentation and firewall rules to limit access
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against vendor advisory. Monitor for unauthorized access attempts to web interface.Check Version:
Check via web interface or CLI: show version or equivalent vendor-specific commandVerify Fix Applied:
Verify firmware version matches patched version from vendor. Test authentication bypass attempts fail.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to web interface
- Unusual file access patterns
- Authentication bypass attempts
Network Indicators:
- Unusual traffic to switch management ports
- Multiple failed authentication attempts followed by successful access
SIEM Query:
source="switch_logs" AND (event="authentication_failure" OR event="file_access") AND dest_port=80|443