CVE-2013-6236 – CVE-2013-6236 is a hard-coded password vulnerab... (How to Fix)

Q: What is the severity of CVE-2013-6236?

CVE-2013-6236 has a CVSS score of 9.8 (CRITICAL). CVE-2013-6236 is a hard-coded password vulnerability in IZON IP camera firmware version 2.0.2 that allows attackers to gain administrative access using default credentials. This affects all systems running the vulnerable firmware version. Attackers can completely compromise the device and potentially pivot to internal networks.

📋 TL;DR

CVE-2013-6236 is a hard-coded password vulnerability in IZON IP camera firmware version 2.0.2 that allows attackers to gain administrative access using default credentials. This affects all systems running the vulnerable firmware version. Attackers can completely compromise the device and potentially pivot to internal networks.

💻 Affected Systems

Products:

IZON IP Camera

Versions: 2.0.2

Operating Systems: Embedded Linux

Default Config Vulnerable: ⚠️ Yes

Notes: All devices with firmware version 2.0.2 are vulnerable out-of-the-box. The hard-coded password cannot be changed by users.

📦 What is this software?

Izon Ip Firmware by Izoncam

View all CVEs affecting Izon Ip Firmware →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete device takeover, video surveillance compromise, lateral movement to internal networks, persistent backdoor installation, and data exfiltration.

🟠

Likely Case

Unauthorized access to camera feeds, device configuration changes, denial of service, and potential credential harvesting from connected systems.

🟢

If Mitigated

Limited to device compromise only if network segmentation prevents lateral movement and no sensitive data is stored on the device.

🌐 Internet-Facing: HIGH - Internet-exposed devices are trivially exploitable with public credentials.

🏢 Internal Only: HIGH - Internal attackers or malware can easily exploit this using known credentials.

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: CONFIRMED

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Exploitation requires only knowledge of the hard-coded password and network access to the device. Multiple public exploit scripts exist.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 2.0.2

Vendor Advisory: https://www.stanleysecuritysolutions.com/support/security-advisories

Restart Required: Yes

Instructions:

1. Download latest firmware from vendor site. 2. Backup current configuration. 3. Upload firmware via web interface. 4. Reboot device. 5. Verify firmware version updated.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate IZON cameras on separate VLAN with strict firewall rules preventing outbound connections.

Access Control Lists

linux

Implement IP-based access restrictions to camera management interfaces.

iptables -A INPUT -s 192.168.1.0/24 -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP

🧯 If You Can't Patch

Remove devices from internet exposure immediately
Implement strict network segmentation with firewall rules blocking all unnecessary traffic

🔍 How to Verify

Check if Vulnerable:

Check firmware version in web interface Settings > System > Firmware. If version is 2.0.2, device is vulnerable.

Check Version:

curl -s http://<camera-ip>/cgi-bin/version.cgi | grep Firmware

Verify Fix Applied:

Verify firmware version is greater than 2.0.2 and attempt to authenticate with default credentials should fail.

📡 Detection & Monitoring

Log Indicators:

Failed authentication attempts followed by successful login
Multiple login attempts from single IP
Configuration changes from unknown users

Network Indicators:

HTTP POST requests to /login.cgi with default credentials
Unusual outbound connections from camera
Port scanning originating from camera IP

SIEM Query:

source="izon_camera" AND (event_type="login" AND user="admin") OR (event_type="config_change" AND user!="authorized_user")

📊 Metadata

CVE ID: CVE-2013-6236

CVSS v3 Score: 9.8 (CRITICAL)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-798

Published: February 12, 2020

Last Updated: November 21, 2024

🔗 References

https://exchange.xforce.ibmcloud.com/vulnerabilities/88337 Third Party Advisory,VDB Entry
https://packetstormsecurity.com/files/cve/CVE-2013-6236 Third Party Advisory,VDB Entry
https://seclists.org/bugtraq/2013/Oct/149 Exploit,Mailing List,Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/88337 Third Party Advisory,VDB Entry
https://packetstormsecurity.com/files/cve/CVE-2013-6236 Third Party Advisory,VDB Entry
https://seclists.org/bugtraq/2013/Oct/149 Exploit,Mailing List,Third Party Advisory

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