CVE-2023-0897 in PolyEco 1000
Summary
by MITRE • 10/26/2023
Sielco PolyEco1000 is vulnerable to a session hijack vulnerability due to the cookie being vulnerable to a brute force attack, lack of SSL, and the session being visible in requests.
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Analysis
by VulDB Data Team • 11/18/2023
The CVE-2023-0897 vulnerability affects Sielco PolyEco1000 devices presenting a critical session hijacking risk through multiple interconnected security flaws. This vulnerability stems from inadequate session management practices that create exploitable conditions for unauthorized access to administrative functions. The primary technical flaw involves the session cookie implementation which lacks sufficient entropy to resist brute force attacks, making it susceptible to prediction or enumeration by malicious actors. The absence of secure socket layer encryption further compounds the issue by transmitting session identifiers in plaintext across network connections, allowing interception by attackers positioned within the network traffic flow.
The operational impact of this vulnerability extends beyond simple unauthorized access as it creates persistent security risks for industrial control systems and network infrastructure. Attackers can leverage the visible session identifiers in HTTP requests to reconstruct valid session tokens and assume administrative privileges without proper authentication. This weakness particularly affects environments where the PolyEco1000 devices operate as critical network components, potentially enabling attackers to manipulate industrial processes or gain persistent access to network resources. The vulnerability aligns with CWE-306, which addresses missing authentication for critical functions, and CWE-310, which covers cryptographic weaknesses in session management. From an attack perspective, this vulnerability maps to ATT&CK technique T1566 for initial access through credential manipulation and T1071 for application layer protocol usage in maintaining persistent access.
The security implications of this vulnerability are particularly concerning in industrial environments where the PolyEco1000 devices likely serve as network infrastructure components or control systems. The combination of weak session token generation, lack of SSL/TLS encryption, and transparent session identifier transmission creates a multi-layered attack surface that adversaries can exploit through network monitoring and credential brute force techniques. Organizations should implement immediate mitigations including mandatory SSL/TLS encryption for all communications, robust session token generation with sufficient entropy, and network segmentation to limit potential attack vectors. The vulnerability represents a fundamental flaw in the device's authentication architecture and requires comprehensive security updates to address the underlying session management weaknesses that enable persistent unauthorized access to critical network infrastructure components.