CVE-2024-11120 Overview
CVE-2024-11120 is a critical OS Command Injection vulnerability affecting certain end-of-life (EOL) GeoVision devices, including video servers and license plate recognition systems. This vulnerability allows unauthenticated remote attackers to inject and execute arbitrary system commands on affected devices. The vulnerability is particularly dangerous as it requires no authentication and can be exploited remotely over the network. Security researchers have confirmed that this vulnerability is actively being exploited in the wild, with attackers leveraging it to compromise vulnerable devices.
Critical Impact
This vulnerability is actively exploited and has been added to CISA's Known Exploited Vulnerabilities (KEV) catalog. Unauthenticated attackers can achieve full system command execution on affected EOL GeoVision devices, potentially incorporating them into botnets such as Mirai variants.
Affected Products
- GeoVision GV-VS12 Video Server and Firmware
- GeoVision GV-VS11 Video Server and Firmware
- GeoVision GV-DSP LPR (License Plate Recognition) v3.0 and Firmware
- GeoVision GVLX 4 v2.0 and v3.0 and Firmware
Discovery Timeline
- 2024-11-15 - CVE-2024-11120 published to NVD
- 2025-10-30 - Last updated in NVD database
Technical Details for CVE-2024-11120
Vulnerability Analysis
This vulnerability is classified as CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'). The affected GeoVision devices fail to properly sanitize user-supplied input before passing it to system shell commands. This allows attackers to inject malicious shell commands that are then executed with the privileges of the web service or underlying system process.
The affected devices are all end-of-life products, meaning GeoVision no longer provides security updates or patches for them. This significantly increases the risk as organizations using these devices have no vendor-supported remediation path. According to Akamai's research, this vulnerability has been actively exploited by Mirai botnet variants to compromise and recruit vulnerable IoT devices.
Root Cause
The root cause of this vulnerability lies in insufficient input validation and sanitization within the device's web interface or API endpoints. When user-controlled data is passed to system-level functions that execute shell commands, the lack of proper filtering allows attackers to break out of the intended command context and inject additional commands. This is a common vulnerability pattern in embedded systems and IoT devices where security controls may be less rigorous than enterprise software.
Attack Vector
The attack vector for CVE-2024-11120 is network-based and requires no authentication or user interaction. An attacker can exploit this vulnerability by sending specially crafted HTTP requests to a vulnerable GeoVision device. The malicious payload contains shell metacharacters and commands that, when processed by the vulnerable application, result in arbitrary command execution on the underlying operating system.
Given the nature of OS command injection, successful exploitation can lead to:
- Complete device compromise and remote control
- Installation of malware or botnet agents
- Lateral movement within the network
- Data exfiltration from connected surveillance systems
- Use of compromised devices in DDoS attacks
The vulnerability requires no privileges and no user interaction, making it trivial for attackers to scan for and exploit vulnerable devices at scale.
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Stop Exploit AttemptsDetection Methods for CVE-2024-11120
Indicators of Compromise
- Unusual outbound network connections from GeoVision devices to unknown IP addresses or command-and-control servers
- Unexpected processes running on the device, particularly those associated with Mirai or other botnet malware
- Anomalous HTTP requests in web server logs containing shell metacharacters such as ;, |, &&, or backticks
- Increased CPU or network utilization on affected devices indicative of cryptomining or DDoS participation
Detection Strategies
- Implement network-based intrusion detection rules to identify HTTP requests containing command injection payloads targeting GeoVision devices
- Deploy honeypots configured as vulnerable GeoVision devices to detect active exploitation attempts in your environment
- Monitor DNS queries from IoT network segments for known Mirai C2 domain indicators
- Utilize vulnerability scanners to identify EOL GeoVision devices present in your network infrastructure
Monitoring Recommendations
- Isolate all GeoVision EOL devices on a dedicated VLAN with strict firewall rules limiting inbound and outbound connectivity
- Enable logging on network firewalls and intrusion detection systems for all traffic to and from affected device IP addresses
- Implement behavioral monitoring to alert on any command execution or process creation anomalies on IoT devices
- Review the CISA KEV listing for updated guidance and threat intelligence
How to Mitigate CVE-2024-11120
Immediate Actions Required
- Immediately identify all GeoVision GV-VS12, GV-VS11, GV-DSP LPR, and GVLX 4 devices in your environment
- Disconnect vulnerable devices from the network or place them behind strict firewall rules blocking all inbound access from untrusted networks
- Develop a replacement plan for all affected EOL devices as no vendor patches are available
- Review network logs for evidence of prior exploitation attempts or successful compromise
Patch Information
As these GeoVision devices are end-of-life, no security patches are available from the vendor. The primary remediation is to replace affected devices with currently supported alternatives. Organizations should consult the TWCert Security Advisory for official guidance. GeoVision has not released and will not release patches for these EOL products.
Workarounds
- Block all external access to affected devices by placing them behind a firewall that denies inbound connections from the internet
- Implement network segmentation to isolate vulnerable IoT devices from critical infrastructure and sensitive data
- If devices must remain operational, restrict access to trusted internal IP addresses only using access control lists
- Consider deploying a web application firewall (WAF) or reverse proxy that can filter malicious command injection payloads
# Example iptables rules to restrict access to GeoVision device
# Replace 192.168.1.100 with your device IP and 10.0.0.0/24 with trusted management network
# Drop all inbound traffic to device by default
iptables -A FORWARD -d 192.168.1.100 -j DROP
# Allow only trusted management network
iptables -I FORWARD -s 10.0.0.0/24 -d 192.168.1.100 -j ACCEPT
# Block outbound connections to common botnet ports
iptables -A FORWARD -s 192.168.1.100 -p tcp --dport 23 -j DROP
iptables -A FORWARD -s 192.168.1.100 -p tcp --dport 2323 -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
