CVE-2021-43926Network attack vector

SQL injection through undisclosed Log Management input

Published Feb 7, 2022 · Updated Sep 16, 2024

SQL injection in Synology DiskStation Manager before 7.0.1-42218-2 allows remote authenticated users to inject SQL commands into Log Management. Synology identifies the affected component only as Log Management and has not disclosed the input, query construction, or endpoint involved. High-privilege authentication is required, and the published material does not identify which database records or operations are exposed.

CVSS severity4.7
Medium
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Synology DiskStation Manager before 7.0.1-42218-2 allows remote authenticated users to inject SQL commands into Log Management. Synology identifies the affected component only as Log Management and has not disclosed the input, query construction, or endpoint involved. High-privilege authentication is required, and the published material does not identify which database records or operations are exposed.

The record

CVE
CVE-2021-43926
Published
Feb 7, 2022
Updated
Sep 16, 2024
Vendor
Synology
Product
DiskStation Manager
Classifications
CWE-89
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 7, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record 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 <7.0.1-42218-2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Synology · DiskStation Managerversion=unspecified <7.0.1-42218-2

Published CVSS scores

4.7Synology Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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