CVE-2023-21407
📋 TL;DR
CVE-2023-21407 is a broken access control vulnerability in Axis Communications products that allows operator accounts to escalate privileges to administrator level. This affects Axis network video products running vulnerable firmware versions. Attackers with operator credentials can gain full administrative control over affected devices.
💻 Affected Systems
- Axis network video products
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of Axis network video devices allowing attackers to disable security features, modify configurations, access video feeds, and potentially pivot to other network systems.
Likely Case
Unauthorized administrative access to video surveillance systems, enabling viewing of sensitive footage, disabling recording, or tampering with security settings.
If Mitigated
Limited impact if proper network segmentation, strong authentication, and monitoring are in place to detect privilege escalation attempts.
🎯 Exploit Status
Exploitation requires valid operator credentials but is straightforward once credentials are obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware 10.12 or later
Vendor Advisory: https://www.axis.com/dam/public/0b/1c/96/cve-2023-2140712-en-US-409778.pdf
Restart Required: Yes
Instructions:
1. Download firmware 10.12 or later from Axis website. 2. Backup current configuration. 3. Upload firmware via web interface. 4. Apply firmware update. 5. Reboot device. 6. Verify firmware version.
🔧 Temporary Workarounds
Restrict operator account access
allLimit operator account permissions and monitor for unusual activity
Network segmentation
allIsolate Axis devices in separate VLAN with restricted access
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Axis devices from critical systems
- Enforce strong authentication policies and regularly rotate operator credentials
- Monitor for privilege escalation attempts in system logs
- Consider disabling operator accounts if not strictly necessary
🔍 How to Verify
Check if Vulnerable:
Check firmware version in web interface under System > Support > System OverviewCheck Version:
Not applicable - use web interfaceVerify Fix Applied:
Verify firmware version is 10.12 or later in System > Support > System Overview📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation attempts
- Multiple failed login attempts followed by successful operator login
- Administrative actions from operator accounts
Network Indicators:
- Unusual administrative API calls from operator accounts
- Configuration changes from non-admin accounts
SIEM Query:
source="axis_device" AND (event_type="privilege_escalation" OR user_role_change="operator_to_admin")