CVE-2019-1868 in WebEx Meetings Server
Summary
by MITRE
A vulnerability in the web-based management interface of Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to access sensitive system information. The vulnerability is due to improper access control to files within the web-based management interface. An attacker could exploit this vulnerability by sending a malicious request to an affected device. A successful exploit could allow the attacker to access sensitive system information.
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Analysis
by VulDB Data Team • 09/28/2023
The vulnerability identified as CVE-2019-1868 represents a critical access control flaw within Cisco Webex Meetings Server's web-based management interface. This issue stems from inadequate authorization mechanisms that fail to properly validate user credentials before granting access to sensitive system resources. The vulnerability exists in the server's web interface implementation where file access controls are improperly enforced, allowing unauthorized users to bypass authentication requirements and gain access to confidential system information.
This weakness falls under the CWE-285 category of Improper Authorization, specifically manifesting as insufficient access control measures within the web application layer. The vulnerability's exploitation pathway involves sending crafted HTTP requests to the affected server, which then processes these requests without adequate verification of the requester's authentication status. Attackers can leverage this flaw to access sensitive operational data, configuration files, and potentially system credentials that should only be accessible to authorized administrators.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates a persistent security risk for organizations relying on Cisco Webex Meetings Server for their communication infrastructure. Remote attackers can exploit this vulnerability from any location without requiring valid credentials or network access, making it particularly dangerous in environments where the management interface is exposed to external networks. The compromised system information could include user data, system configurations, network settings, and potentially administrative credentials that could enable further attacks.
Organizations affected by this vulnerability should implement immediate mitigations including restricting external access to the web-based management interface, applying the latest security patches provided by Cisco, and implementing network segmentation to isolate management interfaces from public-facing networks. The ATT&CK framework categorizes this vulnerability under T1071.001 Application Layer Protocol: Web Protocols, as it exploits weaknesses in web application security controls. Additionally, this vulnerability aligns with the MITRE ATT&CK technique T1083 File and Directory Discovery, as attackers can enumerate and access files that should be protected by proper access controls. Network administrators should also consider implementing web application firewalls and monitoring for suspicious request patterns that may indicate exploitation attempts, while conducting regular security assessments to identify similar access control weaknesses in other network components.