CVE-2023-52951

Cleartext Transmission Vulnerability in Synology Note Station Client Allows MITM Credential Theft

Published Jun 3, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Synology note Station Client
CPEs cpe:2.3:a:synology:note_station_client:*:*:*:*:*:*:*:*
Vendors & Products Synology note Station Client
Type Values Removed Values Added
First Time appeared Synology
Synology synology Note Station Client
Vendors & Products Synology
Synology synology Note Station Client
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Cleartext Transmission Vulnerability in Synology Note Station Client Allows MITM Credential Theft
Type Values Removed Values Added
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.
Weaknesses CWE-319
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
synology
Published
Updated
Jun 3, 2026, 3:44 PM
Reserved
Sep 24, 2024, 8:35 AM
Status
Analyzed
Published
Jun 3, 2026, 2:16 PM
Modified
Jul 22, 2026, 7:10 PM