CVE-2021-43927

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-07 · updated 2026-06-17
Weakness: CWE-89

Description

Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in Security Management functionality in Synology DiskStation Manager (DSM) before 7.0.1-42218-2 allows remote attackers to inject SQL commands via unspecified vectors.

Affected products

Synology DiskStation Manager: from 6.2 before 6.2.4-25556-3; from 7.0 before 7.0.1-42218-2 — fixed in 6.2.4-25556-3, 7.0.1-42218-2

How to fix

Upgrade to a fixed version: Synology DiskStation Manager 6.2.4-25556-3, 7.0.1-42218-2. Check the vendor advisory for mitigations.

References

https://www.synology.com/security/advisory/Synology_SA_22_01
https://www.synology.com/security/advisory/Synology_SA_22_01

Get alerted when CVE-2021-43927 or the next vulnerability affects your stack