VULNERABILITY INTELLIGENCE

CVE-2023-35921

CVSS score7.5 HIGH
EPSS probability0.87%
CISA KEVNot currently listed
Published2023-07-11
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). Affected devices cannot properly process specially crafted Ethernet frames sent to the devices. This could allow an unauthenticated remote attacker to cause a denial of service condition. The affected devices must be restarted manually.

Weakness classification

  • productcert@siemens.com: CWE-400
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references