CVE-2022-30237 in Wiser Smart
Summary
by MITRE • 06/03/2022
A CWE-311: Missing Encryption of Sensitive Data vulnerability exists that could allow authentication credentials to be recovered when an attacker breaks the encoding. Affected Products: Wiser Smart, EER21000 & EER21001 (V4.5 and prior)
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Analysis
by VulDB Data Team • 06/06/2022
The vulnerability identified as CVE-2022-30237 represents a critical weakness in the Wiser Smart system architecture that directly impacts the security of authentication credentials stored within EER21000 and EER21001 devices running firmware version 4.5 or earlier. This issue manifests as a CWE-311: Missing Encryption of Sensitive Data, which fundamentally compromises the confidentiality of user authentication information by failing to implement proper encryption mechanisms for sensitive data transmission and storage. The affected Wiser Smart ecosystem, specifically targeting the EER21000 and EER21001 hardware models, demonstrates a systemic failure in cryptographic implementation that leaves user credentials exposed to potential exploitation.
The technical flaw underlying this vulnerability stems from the absence of adequate encryption protocols during data transmission and storage phases within the Wiser Smart system. Authentication credentials including usernames, passwords, and potentially session tokens are transmitted and stored without proper encryption mechanisms, creating an attack surface where malicious actors can intercept and decode sensitive information using relatively simple techniques. This weakness is particularly concerning as it affects the core authentication functionality of the smart device ecosystem, potentially allowing unauthorized access to user accounts and device control capabilities. The vulnerability operates at the application layer where sensitive data handling should adhere to established security protocols, yet fails to implement industry-standard encryption practices.
The operational impact of this vulnerability extends beyond simple credential theft, potentially enabling full unauthorized access to connected smart devices and compromising the entire security posture of the Wiser Smart ecosystem. An attacker who successfully exploits this weakness could gain persistent access to user accounts, manipulate device configurations, and potentially establish persistent backdoors within the network infrastructure. The implications are particularly severe given that these devices are likely designed for home or commercial security applications where unauthorized access could result in privacy breaches, property compromise, and broader network infiltration. The vulnerability's presence in firmware versions 4.5 and earlier indicates a long-standing security gap that has not been adequately addressed through software updates or patches.
Security professionals should recognize this vulnerability as a clear violation of fundamental security principles outlined in the OWASP Top Ten and NIST cybersecurity guidelines, which emphasize the critical importance of encrypting sensitive data both in transit and at rest. The ATT&CK framework categorizes this issue under T1566: Phishing and T1078: Valid Accounts, as it enables adversaries to obtain legitimate user credentials through the exploitation of weak encryption mechanisms. Organizations utilizing these affected devices should immediately implement network segmentation measures, monitor for suspicious authentication patterns, and establish emergency patching procedures to address the identified encryption gap. The vulnerability serves as a prime example of how inadequate cryptographic implementation can create cascading security failures that compromise entire device ecosystems and user privacy.