CVEvulnerability

CVE-2023-35921

7.5 HIGH Published 2023-07-11 Modified 2026-10-23 Official page ↗
Status
Modified
Published
2023-07-11
Last modified
2026-10-23
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

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.

Affected configurations

• siemens simatic mv540 h firmware (< 3.3.4) • siemens simatic mv540 s firmware (< 3.3.4) • siemens simatic mv550 h firmware (< 3.3.4) • siemens simatic mv550 s firmware (< 3.3.4) • siemens simatic mv560 u firmware (< 3.3.4) • siemens simatic mv560 x firmware (< 3.3.4)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References