Vulnerability · Published Feb 7, 2022 · Assigned by synology

CVE-2021-43928

Critical 9.9

In plain English

A critical-severity OS command injection in Mail Station from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)1.9%top 20.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Synology Mail Station unspecified – before 20211105-10315

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References