🛡️ CVE-2023-52951 — note-station-client

🟡 CVSS 5.9 — Medium ✅ No Known Exploit CWE-319 NVD
5.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A cleartext transmission of sensitive information vulnerability in Synology Note Station Client before 2.2.4-703 allows man-in-the-middle attackers to obtain user credential.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2023-52951 is classified as CWE-319: Cleartext Transmission of Sensitive Information. Sensitive data crosses the network without encryption and can be read or altered in transit.

Affected software

CVE-2023-52951 is recorded against 1 package.

  • note-station-client (fixed in 2.2.4-703)

Timeline and source

Published on 3 June 2026 and last revised on 22 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.synology.com

Details

Severity MEDIUM
CVSS Score 5.9
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-319
Public Exploit ✅ No
Source NVD
Published 2026-06-03
Updated 2026-08-11
Modified 2026-07-22
Fix URL N/A

Affected Packages

Software From version Fixed in
note-station-client — 2.2.4-703

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