SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-44221

A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00).

HIGH 7.5EPSS 1.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The affected systems do not properly validate input that is sent to the underlying message passing framework. This could allow an remote attacker to trigger a denial of service of the affected system.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.38% probability · 71th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
siemens/simatic easie core package
Source
productcert@siemens.com

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