CVE-2023-33757 in iPCS
Summary
by MITRE • 01/25/2024
A lack of SSL certificate validation in Splicecom iPCS (iOS App) v1.3.4, iPCS2 (iOS App) v2.8 and before, and iPCS (Android App) v1.8.5 and before allows attackers to eavesdrop on communications via a man-in-the-middle attack.
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Analysis
by VulDB Data Team • 06/21/2025
The vulnerability identified as CVE-2023-33757 represents a critical security flaw in Splicecom iPCS mobile applications across both iOS and Android platforms. This issue stems from insufficient SSL certificate validation mechanisms within the affected versions of the iPCS iOS App v1.3.4 and earlier, iPCS2 iOS App v2.8 and earlier, and iPCS Android App v1.8.5 and earlier. The absence of proper certificate validation creates a fundamental weakness in the application's secure communication framework, allowing malicious actors to exploit the trust relationship between client and server.
The technical nature of this vulnerability places it squarely within the realm of cryptographic weaknesses and secure communication failures. Specifically, this flaw enables attackers to perform man-in-the-middle attacks by intercepting and potentially modifying data transmitted between the mobile application and backend servers. Without proper SSL certificate validation, the applications accept any certificate presented by a malicious actor, effectively disabling the security layer designed to protect data integrity and confidentiality. This weakness directly correlates to CWE-295, which addresses improper certificate validation, and represents a critical failure in the application's authentication and encryption protocols.
The operational impact of this vulnerability is severe and multifaceted, particularly given that these applications are likely used in industrial and enterprise environments where sensitive operational data may be transmitted. Attackers could exploit this weakness to eavesdrop on communications, potentially accessing confidential information, control commands, or operational parameters that the applications are designed to protect. The implications extend beyond simple data theft to potential operational disruption, as attackers might inject malicious commands or manipulate system behavior through the compromised communication channel. This vulnerability particularly affects environments where industrial control systems or network management applications are deployed, creating potential risks for critical infrastructure operations.
Mitigation strategies for CVE-2023-33757 must prioritize immediate remediation through software updates that address the SSL certificate validation flaw. Organizations should urgently upgrade to patched versions of the affected applications, as the vulnerability exists across multiple platform versions and requires comprehensive remediation. Security teams should implement network monitoring to detect potential man-in-the-middle activity and consider deploying additional network security controls such as network segmentation and deep packet inspection to detect anomalous communication patterns. The vulnerability also highlights the importance of implementing proper application security testing including certificate pinning mechanisms and robust secure communication protocols, aligning with ATT&CK technique T1046 for network service scanning and T1566 for credential harvesting through social engineering. Organizations should also consider implementing additional security layers such as network access control and endpoint protection to prevent unauthorized access to systems that may be compromised through this vulnerability.