CVE-2023-52951
Cleartext Credential Transmission in Synology Note Station Client
Publication date: 2026-06-03
Last updated on: 2026-06-03
Assigner: Synology Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| synology | note_station_client | to 2.2.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-319 | The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves the cleartext transmission of sensitive information in Synology Note Station Client versions before 2.2.4-703. Because the data, including user credentials, is sent without encryption, a man-in-the-middle attacker can intercept and obtain these credentials.
How can this vulnerability impact me? :
The vulnerability can allow an attacker positioned between the user and the server to capture user credentials. This can lead to unauthorized access to the user's account and potentially sensitive data stored within the Synology Note Station Client.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability involves cleartext transmission of sensitive information, specifically user credentials, which can be intercepted by man-in-the-middle attackers.
Such exposure of sensitive data could potentially lead to non-compliance with data protection regulations like GDPR and HIPAA, which require protection of personal and sensitive information during transmission.
However, the provided information does not explicitly state the impact on compliance with these standards.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should update Synology Note Station Client to version 2.2.4-703 or later, where the cleartext transmission of sensitive information has been addressed.