CVE-2023-35920

State: Published
Severity: 7.5 High
Published: Jul 11, 2023
Updated: Nov 12, 2024
Reserved: Jun 20, 2023

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 IP packets 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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C	siemens

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
SIMATIC MV540 HSiemens	All versions < V3.3.4Affected
SIMATIC MV540 SSiemens	All versions < V3.3.4Affected
SIMATIC MV550 HSiemens	All versions < V3.3.4Affected
SIMATIC MV550 SSiemens	All versions < V3.3.4Affected
SIMATIC MV560 USiemens	All versions < V3.3.4Affected
SIMATIC MV560 XSiemens	All versions < V3.3.4Affected

References

https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf

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