CVE-2024-40685 Overview
CVE-2024-40685 is a Cross-Site Request Forgery (CSRF) vulnerability affecting IBM Operations Analytics – Log Analysis versions 1.3.5.0 through 1.3.8.3 and IBM SmartCloud Analytics – Log Analysis. This vulnerability could allow an attacker to trick a trusted, authenticated user into performing unauthorized actions without their knowledge or consent.
Critical Impact
Attackers can leverage this CSRF vulnerability to manipulate authenticated users into executing unintended actions, potentially compromising the integrity of log analysis configurations and data within enterprise environments.
Affected Products
- IBM Operations Analytics – Log Analysis versions 1.3.5.0 through 1.3.8.3
- IBM SmartCloud Analytics – Log Analysis
Discovery Timeline
- February 4, 2026 - CVE-2024-40685 published to NVD
- February 5, 2026 - Last updated in NVD database
Technical Details for CVE-2024-40685
Vulnerability Analysis
This Cross-Site Request Forgery vulnerability exists due to insufficient anti-CSRF token validation in the IBM Operations Analytics – Log Analysis web interface. The application fails to properly verify that requests originate from legitimate user sessions, allowing attackers to craft malicious requests that authenticated users may unknowingly execute.
When a user with an active session visits a malicious webpage or clicks a crafted link, the attacker-controlled content can trigger HTTP requests to the vulnerable IBM application. Since the browser automatically includes session cookies with these requests, the application processes them as legitimate user actions.
The vulnerability is classified under CWE-352 (Cross-Site Request Forgery), indicating that state-changing operations lack proper origin verification mechanisms.
Root Cause
The root cause of CVE-2024-40685 stems from the absence or improper implementation of CSRF protection mechanisms in the IBM Operations Analytics – Log Analysis web application. The application does not adequately verify that incoming requests were intentionally initiated by authenticated users through proper token validation, referrer checking, or same-origin verification.
Attack Vector
The attack vector for this vulnerability is network-based and requires user interaction. An attacker must craft a malicious webpage, email, or link containing a forged request targeting the vulnerable IBM application. The attack succeeds when an authenticated user is tricked into visiting the malicious content while maintaining an active session with the IBM Operations Analytics – Log Analysis platform.
A typical attack scenario involves the attacker hosting or distributing HTML content containing hidden forms or JavaScript that automatically submits requests to the vulnerable application endpoints. When the victim loads this content, their browser executes the forged request with their valid session credentials attached.
Detection Methods for CVE-2024-40685
Indicators of Compromise
- Unexpected configuration changes in IBM Operations Analytics – Log Analysis without corresponding administrator activity
- Unusual HTTP requests to the Log Analysis application originating from external referrers
- Multiple state-changing requests occurring in rapid succession from single user sessions
- Log entries showing administrative actions performed at unusual times or from unexpected locations
Detection Strategies
- Monitor web server logs for requests to IBM Operations Analytics – Log Analysis endpoints with suspicious or missing Referer headers
- Implement web application firewall (WAF) rules to detect and block requests lacking proper CSRF tokens
- Review application audit logs for unauthorized configuration modifications or user management actions
- Deploy network monitoring to identify unusual patterns of requests to the Log Analysis web interface
Monitoring Recommendations
- Enable detailed access logging on the IBM Operations Analytics – Log Analysis application server
- Configure alerts for configuration changes and administrative actions in the Log Analysis platform
- Implement user behavior analytics to detect anomalous session activity patterns
- Monitor for outbound connections to known malicious domains that may host CSRF payloads
How to Mitigate CVE-2024-40685
Immediate Actions Required
- Apply the security patch from IBM as documented in the IBM Support Page
- Educate users about the risks of clicking unknown links while authenticated to enterprise applications
- Implement additional network segmentation to limit exposure of the Log Analysis web interface
- Review audit logs for any unauthorized changes that may have occurred prior to patching
Patch Information
IBM has released security updates to address this vulnerability. Administrators should consult the IBM Support Page for detailed patching instructions and the latest security fixes for IBM Operations Analytics – Log Analysis and IBM SmartCloud Analytics – Log Analysis.
Workarounds
- Restrict access to the IBM Operations Analytics – Log Analysis web interface to trusted networks only
- Implement browser-based CSRF protection extensions for users who must access the application before patching
- Configure web application firewall rules to validate request origins and enforce strict referrer policies
- Ensure users log out of the Log Analysis application when not actively using it to minimize the attack window
# Example: Restrict access to Log Analysis interface via firewall rules
# Allow only internal management network to access the application
iptables -A INPUT -p tcp --dport 443 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
