CVE-2021-27388
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.54% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- siemens/sinamics sl150 firmware · siemens/sinamics sm150 firmware · siemens/sinamics sm150i firmware
- Source
- productcert@siemens.com
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04Not Applicable
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04Not Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.