CVE-2021-27388

moderate-risk
Published 2021-06-15

SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).

Do I need to act?

~
1.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Sinamics Sl150 Firmware
Sinamics Sm150 Firmware
Sinamics Sm150I Firmware

Affected Vendors

Siemens

References (2)

Not Applicable https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04
Not Applicable https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04
46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 5/34 · Minimal
Exposure 9/34 · Low