TI-2023-29271 Aliases CVE-2023-52951 GHSA-qcc6-8w82-xq69

Cleartext transmission of sensitive information in Synology Note Station Client

LOW 25CWE-319Published 2026-06-03 · Updated 2026-06-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0013 2nd percentileScored 2026-11-07

Fix Fixed Synology Note Station Client (Synology): 2.2.4-703

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Synology	Synology Note Station Client	before 2.2.4-703	2.2.4-703	Patch available	CNA

Synology Note Station Client VendorSynology Affected before 2.2.4-703 Fixed in 2.2.4-703 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:synology:note_station_client::::::::	before 2.2.4-703	Vulnerable	Synology

cpe:2.3:a:synology:note_station_client:*:*:*:*:*:*:*:* Versions before 2.2.4-703 Vulnerable ·Synology

Remediation

Fix · CNA Synology Note Station Client (Synology) Fixed in 2.2.4-703

Timeline

2026-10-02 Threatist record created from CVE-2023-52951
2026-10-03 Alias added: GHSA-qcc6-8w82-xq69

References

Advisory 1

Release note

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences