Vulnerability · Published Jun 3, 2026 · Assigned by synology
CVE-2023-52951
Medium 5.9
In plain English
A medium-severity security flaw in Synology Note Station Client from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.1%top 97.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Synology | Synology Note Station Client | * – before 2.2.4-703 |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- Release note vendor-advisory