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CVE-2023-52951

MEDIUM
5.9
CVSS Score
Published: June 3, 2026 at 01:11 PM UTC
Updated: July 22, 2026 at 07:24 PM UTC
1 product affected across 1 vendorSynology Note Station Client

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Synology Note Station Client· Synology
95%
v < 2.2.4-703
Affected range stops below 2.2.4-703, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryRelease Notes
Source: cverecord
https://www.synology.com/en-global/releaseNote/NoteStationClient

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMsynology
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-319

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