CVE-2014-0731 in Unified Communications Manager
Summary
by MITRE
The administration interface in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier allows remote attackers to bypass authentication and read Java class files via a direct request, aka Bug ID CSCum46497.
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Analysis
by VulDB Data Team • 03/30/2019
The vulnerability described in CVE-2014-0731 represents a critical authentication bypass flaw within Cisco Unified Communications Manager's administrative interface. This issue affects versions 10.0(1) and earlier, where the system fails to properly validate access requests to sensitive Java class files. The flaw enables remote attackers to directly access administrative components without proper authentication credentials, creating a significant security risk for enterprise communication systems.
The technical implementation of this vulnerability stems from insufficient input validation and access control mechanisms within the Unified CM administration interface. When attackers make direct requests to specific Java class files, the system does not adequately verify whether the requester possesses appropriate administrative privileges. This weakness allows unauthorized access to sensitive system components that should only be accessible to authenticated administrators. The vulnerability specifically affects the way the system processes direct requests to Java class files, bypassing normal authentication workflows that should validate user credentials before granting access to administrative functions.
From an operational perspective, this vulnerability poses severe risks to organizations relying on Cisco Unified Communications Manager for their voice and collaboration infrastructure. An attacker who successfully exploits this vulnerability can gain unauthorized access to administrative functions, potentially leading to complete system compromise. The ability to read Java class files directly provides attackers with insights into the system's internal structure and implementation details, which can be leveraged for further exploitation. This access could enable attackers to modify system configurations, extract sensitive data, or establish persistent access to the communication infrastructure.
The impact of this vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems. The flaw represents a failure in the principle of least privilege, where system components should only be accessible to users with appropriate authorization levels. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, as attackers can bypass authentication mechanisms to gain administrative privileges. Organizations using affected versions of Unified CM are particularly vulnerable since the flaw exists at the application layer and requires no special privileges to exploit.
Mitigation strategies for this vulnerability include immediate deployment of Cisco's security patches and updates to versions that address the authentication bypass issue. Organizations should also implement network segmentation to limit access to administrative interfaces and enforce strict access controls using firewalls and access control lists. Regular security assessments of communication infrastructure should be conducted to identify similar vulnerabilities in other system components. Additionally, monitoring network traffic for suspicious direct requests to Java class files can help detect potential exploitation attempts. The vulnerability highlights the importance of proper access control implementation and regular security updates in enterprise communication systems.