CVE-2024-49806: IBM Security Verify Access Vulnerability

CVE-2024-49806 Overview

IBM Security Verify Access Appliance versions 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This vulnerability (CWE-798) represents a fundamental security flaw that could allow attackers to bypass authentication mechanisms entirely using the embedded credentials.

Critical Impact

Remote attackers can leverage hard-coded credentials to gain unauthorized access to IBM Security Verify Access Appliance systems, potentially compromising the entire identity and access management infrastructure.

Affected Products

• IBM Security Verify Access Appliance 10.0.0
• IBM Security Verify Access Appliance 10.0.1 through 10.0.7
• IBM Security Verify Access Appliance 10.0.8

Discovery Timeline

• 2024-11-29 - CVE CVE-2024-49806 published to NVD
• 2025-01-29 - Last updated in NVD database

Technical Details for CVE-2024-49806

Vulnerability Analysis

This vulnerability falls under CWE-798 (Use of Hard-coded Credentials), which represents one of the most dangerous configuration and design flaws in software security. Hard-coded credentials embedded within IBM Security Verify Access Appliance create a static attack surface that cannot be changed through normal configuration processes.

The presence of embedded credentials in an identity and access management appliance is particularly concerning because these systems are designed to protect authentication flows and sensitive access controls across an organization. When the security appliance itself contains bypasses, the entire security architecture it protects becomes vulnerable.

The network-accessible attack vector means that any attacker who can reach the appliance over the network can potentially exploit these credentials without requiring any prior authentication or user interaction, making this vulnerability especially dangerous in environments where the appliance is exposed to untrusted networks.

Root Cause

The root cause of CVE-2024-49806 is the inclusion of hard-coded credentials within the IBM Security Verify Access Appliance codebase. These credentials may be used for multiple purposes including inbound authentication to management interfaces, outbound communication with external components and services, and encryption or decryption of internal data stores.

This design pattern violates secure coding practices by embedding secrets directly in the application rather than using secure credential management systems, key vaults, or dynamically generated secrets.

Attack Vector

The vulnerability is exploitable over the network without requiring authentication or user interaction. An attacker with network access to the IBM Security Verify Access Appliance could use the hard-coded credentials to authenticate to the system or decrypt protected data.

The attack scenario involves identifying the hard-coded credentials through reverse engineering or public disclosure, connecting to the vulnerable appliance over the network, and using the credentials to authenticate or access protected resources. Due to the nature of hard-coded credentials, all instances of the affected software versions share the same vulnerability, meaning a single credential discovery compromises all deployments.

Detection Methods for CVE-2024-49806

Indicators of Compromise

• Unexpected authentication attempts to the IBM Security Verify Access Appliance from unknown or unauthorized IP addresses
• Successful authentication events without corresponding legitimate administrative activity
• Unusual outbound connections from the appliance to external systems
• Access to sensitive configuration or credential stores outside normal operational patterns

Detection Strategies

• Monitor authentication logs on IBM Security Verify Access Appliance for authentication events using potentially compromised credentials
• Implement network segmentation monitoring to detect unexpected access to the appliance from untrusted network segments
• Deploy intrusion detection systems with signatures for known hard-coded credential exploitation patterns
• Audit all administrative access to the appliance and correlate with authorized change windows

Monitoring Recommendations

• Enable comprehensive logging on the IBM Security Verify Access Appliance and forward logs to a SIEM platform
• Implement real-time alerting for authentication events from non-whitelisted IP addresses
• Monitor for attempts to extract or access credential stores within the appliance
• Review outbound communication patterns from the appliance for anomalous connections

How to Mitigate CVE-2024-49806

Immediate Actions Required

• Apply the security patch from IBM immediately for all IBM Security Verify Access Appliance deployments running versions 10.0.0 through 10.0.8
• Restrict network access to the appliance to only authorized management networks using firewalls and access control lists
• Audit access logs for any signs of unauthorized access that may have occurred before patching
• Consider rotating any credentials or keys that may have been protected by the compromised hard-coded credentials

Patch Information

IBM has released security updates to address this vulnerability. Organizations should apply the patch referenced in the IBM Support Article immediately. The patch removes or remediates the hard-coded credentials present in vulnerable versions.

Workarounds

• Implement strict network segmentation to limit access to the IBM Security Verify Access Appliance to trusted management networks only
• Deploy a web application firewall or network security appliance in front of the affected system to monitor and filter suspicious authentication attempts
• Enable enhanced logging and monitoring to detect potential exploitation attempts until patching can be completed
• Consider temporarily isolating affected appliances from the network if patching cannot be performed immediately and the risk is deemed unacceptable

# Network segmentation example - restrict appliance access to management VLAN
# Firewall rule to limit access to IBM Security Verify Access Appliance
iptables -A INPUT -s 10.0.100.0/24 -d <APPLIANCE_IP> -p tcp --dport 443 -j ACCEPT
iptables -A INPUT -d <APPLIANCE_IP> -p tcp --dport 443 -j DROP