CVE-2021-3352 in MiContact Center Business
Summary
by MITRE • 08/14/2021
The Software Development Kit in Mitel MiContact Center Business from 8.0.0.0 through 8.1.4.1 and 9.0.0.0 through 9.3.1.0 could allow an unauthenticated attacker to access (view and modify) user data without authorization due to improper handling of tokens.
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Analysis
by VulDB Data Team • 08/18/2021
The vulnerability identified as CVE-2021-3352 affects the Mitel MiContact Center Business software development kit across multiple version ranges including 8.0.0.0 through 8.1.4.1 and 9.0.0.0 through 9.3.1.0. This issue represents a critical authorization flaw that undermines the security posture of the affected systems by allowing unauthenticated attackers to gain unauthorized access to sensitive user data. The vulnerability stems from improper token handling mechanisms within the SDK implementation, creating a pathway for malicious actors to bypass authentication controls and manipulate user information.
The technical flaw manifests through inadequate validation and management of authentication tokens within the software development kit. When tokens are improperly handled, they may be predictable, reusable, or susceptible to manipulation by attackers who can forge or exploit existing tokens to access protected resources. This weakness directly violates security principles governing authentication and authorization mechanisms, creating a significant risk vector for data exposure and modification. The vulnerability is classified under CWE-287 which addresses improper authentication issues, specifically focusing on authentication token management failures that allow unauthorized access to protected resources.
From an operational impact perspective, this vulnerability poses severe risks to organizations utilizing Mitel MiContact Center Business systems. Unauthenticated attackers can view and modify user data without proper authorization, potentially leading to data breaches, privacy violations, and operational disruption. The exposure of user information could result in identity theft, financial fraud, or other malicious activities depending on the nature of the data handled by the contact center system. Organizations may face regulatory compliance issues and reputational damage when such unauthorized access occurs, particularly in industries with strict data protection requirements.
Mitigation strategies for CVE-2021-3352 should prioritize immediate patching of affected systems to address the token handling vulnerabilities. Organizations must implement proper authentication token management practices including token randomization, short expiration times, and secure storage mechanisms. Network segmentation and access controls should be reinforced to limit exposure of the affected SDK components. Regular security assessments and penetration testing should be conducted to identify similar token handling vulnerabilities in other system components. The remediation process should align with ATT&CK framework tactics related to credential access and privilege escalation, ensuring comprehensive coverage of potential attack vectors. Organizations should also establish monitoring procedures to detect unauthorized access attempts and implement proper audit logging to track token usage and potential exploitation attempts.