CVE-2022-27619 in Note Station Client
Summary
by MITRE • 08/03/2022
Cleartext transmission of sensitive information vulnerability in authentication management in Synology Note Station Client before 2.2.2-609 allows man-in-the-middle attackers to obtain sensitive information via unspecified vectors.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 08/03/2022
The vulnerability identified as CVE-2022-27619 represents a critical cleartext transmission flaw within Synology Note Station Client authentication management system. This issue affects versions prior to 2.2.2-609 and exposes sensitive authentication data to man-in-the-middle attacks through unspecified network vectors. The flaw fundamentally undermines the security of user credentials and session information by transmitting sensitive data without encryption, creating a significant attack surface for malicious actors positioned within the network infrastructure.
This vulnerability falls under the category of CWE-312 Cleartext Storage of Sensitive Information and CWE-319 Cleartext Transmission of Sensitive Information, both of which are classified as high-risk security weaknesses in the Common Weakness Enumeration framework. The attack pattern aligns with MITRE ATT&CK technique T1046 Network Service Scanning and T1566 Phishing, as attackers can exploit this weakness to capture authentication tokens, user credentials, or session identifiers during network communication. The lack of encryption in transit means that any network traffic containing sensitive authentication information can be intercepted and decoded by unauthorized parties.
The operational impact of this vulnerability extends beyond simple credential theft, as it compromises the integrity of the entire authentication process within the Synology Note Station Client environment. When attackers successfully intercept cleartext authentication data, they gain unauthorized access to user accounts, potentially leading to data exfiltration, system compromise, and lateral movement within the network. The vulnerability affects the client-side application's ability to securely communicate with authentication servers, making it particularly dangerous in enterprise environments where multiple users rely on the application for document management and collaboration.
Organizations using Synology Note Station Client versions prior to 2.2.2-609 should immediately implement mitigation strategies including mandatory software updates to the patched version, network segmentation to isolate authentication traffic, and monitoring for suspicious network activity. Network administrators should also consider implementing additional security controls such as intrusion detection systems, traffic encryption protocols, and regular security audits to detect potential exploitation attempts. The remediation process requires comprehensive testing of the updated client software to ensure compatibility with existing network infrastructure while maintaining security posture against this specific cleartext transmission vulnerability.