CVE-2022-43749Network attack vector

Authenticated report access bypass

Published Oct 26, 2022 · Updated May 9, 2025

Improper privilege management in Synology Presto File Server before 2.1.2-1601 allows remote authenticated users to bypass report access controls. The flaw is in summary report management, but Synology has not disclosed the affected request, authorization check, or code path. A valid account and network access are required, and Synology bounds the reported consequence to unauthorized disclosure rather than data modification or service interruption.

CVSS severity4.3
Medium
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper privilege management in Synology Presto File Server before 2.1.2-1601 allows remote authenticated users to bypass report access controls. The flaw is in summary report management, but Synology has not disclosed the affected request, authorization check, or code path. A valid account and network access are required, and Synology bounds the reported consequence to unauthorized disclosure rather than data modification or service interruption.

The record

CVE
CVE-2022-43749
Published
Oct 26, 2022
Updated
May 9, 2025
Vendor
Synology
Product
Presto File Server
Classifications
CWE-269
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 26, 2022CVE publishedPublication date reported by the CVE source.
  2. May 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <2.1.2-1601

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Synology · Presto File Serverversion=unspecified <2.1.2-1601

Published CVSS scores

4.3Synology Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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