SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43928

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…

HIGH 8.8EPSS 1.86%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.86% probability · 78th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
synology/mail station
Source
security@synology.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.