CVE-2024-42505
📋 TL;DR
This critical vulnerability allows unauthenticated attackers to execute arbitrary commands on Aruba access points by sending specially crafted packets to UDP port 8211. Successful exploitation gives attackers privileged code execution on the underlying operating system. Organizations using vulnerable Aruba access points are affected.
💻 Affected Systems
- Aruba Access Points
⚠️ 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 compromise of affected access points leading to network infiltration, data exfiltration, and lateral movement to other systems.
Likely Case
Attackers gain persistent access to network infrastructure, deploy malware, and intercept network traffic.
If Mitigated
Limited impact if proper network segmentation and access controls prevent exploitation attempts.
🎯 Exploit Status
CVSS 9.8 indicates trivial exploitation with high impact
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Multiple fixed versions - see vendor advisory
Vendor Advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw04712en_us&docLocale=en_US
Restart Required: Yes
Instructions:
1. Review vendor advisory for affected versions 2. Download and apply appropriate firmware updates 3. Restart affected access points 4. Verify patch application
🔧 Temporary Workarounds
Block PAPI Port
linuxBlock UDP port 8211 at network perimeter and internal firewalls
iptables -A INPUT -p udp --dport 8211 -j DROP
Disable PAPI Service
allDisable the PAPI management protocol if not required
Consult Aruba documentation for service disable commands
🧯 If You Can't Patch
- Segment affected access points into isolated network zones
- Implement strict network access controls to limit traffic to UDP port 8211
🔍 How to Verify
Check if Vulnerable:
Check ArubaOS version against vendor advisory and verify PAPI service is running on UDP 8211Check Version:
show versionVerify Fix Applied:
Verify firmware version is updated to patched version listed in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Unexpected process creation
- Failed authentication attempts on PAPI service
Network Indicators:
- Unusual traffic patterns to UDP port 8211
- Malformed PAPI packets
- Traffic from unexpected sources to access points
SIEM Query:
source_port=8211 OR dest_port=8211 AND protocol=UDP AND (payload_contains_suspicious OR size_anomaly)