CVE-2013-6969 in WebEx Training Center
Summary
by MITRE
The training-registration page in Cisco WebEx Training Center allows remote attackers to modify unspecified fields via unknown vectors, aka Bug ID CSCul35990.
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Analysis
by VulDB Data Team • 01/12/2022
The vulnerability identified as CVE-2013-6969 affects the Cisco WebEx Training Center platform, specifically targeting its training-registration page functionality. This security flaw represents a critical authorization and input validation weakness that enables remote attackers to manipulate unspecified fields within the registration process. The vulnerability was categorized under Bug ID CSCul35990, indicating it was discovered and tracked within Cisco's internal bug tracking systems. The affected component resides within the web-based administrative interface of the WebEx Training Center, which is designed to facilitate online training session management and participant registration processes. Organizations utilizing this platform for educational or corporate training purposes would be at risk if this vulnerability remained unpatched, as it could potentially allow unauthorized modifications to training session configurations or participant data.
The technical nature of this vulnerability stems from insufficient input validation and authorization controls within the training-registration page implementation. Attackers can exploit this weakness through unspecified vectors that likely involve manipulating form fields or parameters during the registration process. The unspecified fields mentioned in the description suggest that the vulnerability allows modification of critical session parameters or user attributes without proper authentication or access control checks. This type of vulnerability typically falls under CWE-20, which describes "Improper Input Validation" as a fundamental weakness in software design that allows malicious inputs to bypass security controls. The attack vector likely involves sending crafted HTTP requests or manipulating web form parameters that are not properly sanitized or validated by the application's backend processing logic.
The operational impact of CVE-2013-6969 extends beyond simple data modification, as it could potentially enable more severe security consequences within the WebEx Training Center environment. Remote attackers could manipulate training session configurations, alter participant information, or potentially gain unauthorized access to training materials and session data. The vulnerability's remote exploitation capability means that attackers do not need physical access to the network or system to exploit it, making it particularly dangerous for organizations that rely on web-based training platforms. This weakness could lead to unauthorized access to sensitive training content, manipulation of session attendance records, or disruption of legitimate training activities. The impact is particularly concerning in enterprise environments where WebEx Training Center is used for confidential training programs, compliance training, or security awareness initiatives where data integrity and access control are paramount.
Organizations should implement immediate mitigations including applying the latest security patches provided by Cisco, which would address the underlying input validation and authorization flaws. Network segmentation and access controls should be strengthened around the WebEx Training Center infrastructure to limit exposure to unauthorized users. The implementation of web application firewalls and additional input validation measures can provide additional layers of protection against exploitation attempts. Security monitoring should be enhanced to detect unusual patterns in registration activities or unauthorized modifications to training sessions. Organizations should also conduct thorough vulnerability assessments of their WebEx implementations and review access controls to ensure that only authorized personnel can modify training session parameters. This vulnerability demonstrates the importance of proper authentication mechanisms and input sanitization in web applications, aligning with ATT&CK technique T1078 for Valid Accounts and T1213 for Data from Information Repositories, which emphasize the need for proper access controls and data protection measures in enterprise environments.