AUGUST 4, 2026
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Case File

CVE-2021-43928

CRITICAL · CVSS 9.9 EPSS 1.86%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-07 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.9. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2021-43928
Severity
CRITICAL
CVSS
9.9
EPSS
1.86%

Original NVD Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability in mail sending and receiving component in Synology Mail Station before 20211105-10315 allows remote authenticated users to execute arbitrary commands via unspecified vectors.

Related CVEs

Other vulnerabilities affecting the same vendor(s)