CVE-2002-0236 in Vitalsuite
Summary
by MITRE
Lucent VitalSuite 8.0 through 8.2, including VitalNet, VitalEvent, and VitalHelp/VitalAnalysis, allows remote attackers to bypass authentication via a direct HTTP request to the VsSetCookie.exe program, which returns a valid cookie for the desired user.
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Analysis
by VulDB Data Team • 06/03/2025
The vulnerability described in CVE-2002-0236 represents a critical authentication bypass flaw affecting Lucent VitalSuite versions 8.0 through 8.2. This encompasses several components including VitalNet, VitalEvent, and the VitalHelp/VitalAnalysis modules. The issue stems from the improper handling of authentication tokens within the VsSetCookie.exe program, which serves as a critical component for session management within the suite. This vulnerability allows remote attackers to craft direct HTTP requests that can manipulate the authentication process without requiring valid credentials or knowledge of existing user accounts. The flaw essentially enables unauthorized access to systems that should be protected by authentication mechanisms, making it particularly dangerous in enterprise environments where such software is deployed.
The technical implementation of this vulnerability involves the VsSetCookie.exe program's failure to properly validate input parameters or enforce proper access controls when processing HTTP requests. When an attacker sends a specially crafted HTTP request directly to this component, the program generates and returns a valid authentication cookie that grants access to the specified user account. This behavior violates fundamental security principles of authentication and session management, as the system should not be able to generate valid session tokens without proper authentication verification. The vulnerability operates at the application layer and demonstrates a classic case of insufficient input validation and improper privilege management, which aligns with CWE-287 - Improper Authentication and CWE-306 - Missing Authentication for Critical Function. The attack vector is particularly concerning because it requires no local access or prior knowledge of valid credentials, making it a straightforward remote exploitation scenario.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to gain administrative privileges within the VitalSuite environment. This could lead to complete system compromise, data exfiltration, and potential lateral movement within networks where the software is deployed. Organizations using these versions of Lucent VitalSuite face significant risk of unauthorized system access, particularly in environments where network segmentation is not properly implemented. The vulnerability affects the integrity and confidentiality of the systems, as attackers can potentially modify or delete critical data and configuration settings within the VitalSuite components. This represents a serious deviation from the principle of least privilege and can result in substantial business disruption and potential regulatory compliance violations.
Mitigation strategies for CVE-2002-0236 should prioritize immediate patching of affected systems with the vendor-provided security updates. Organizations should implement network segmentation to isolate the affected VitalSuite components from critical network segments and enforce strict access controls on the VsSetCookie.exe program. Network monitoring should be enhanced to detect unusual HTTP request patterns targeting the vulnerable component, and firewall rules should be configured to restrict direct access to the affected application endpoints. Additionally, implementing proper input validation and authentication checks within the application code can help prevent similar vulnerabilities in the future. Security teams should conduct thorough vulnerability assessments to identify other potentially affected systems and ensure that proper access controls are in place for all authentication mechanisms. This vulnerability highlights the importance of maintaining up-to-date security patches and proper network architecture design to prevent unauthorized access to critical systems, aligning with ATT&CK technique T1078 - Valid Accounts and T1566 - Phishing. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and establish incident response procedures to address potential compromise scenarios.