CVE-2023-35920

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Jul 11, 2023
Updated: Jul 19, 2023
CWE ID 400

Summary

CVE-2023-35920 is a vulnerability that affects SIMATIC MV540 H, SIMATIC MV540 S, SIMATIC MV550 H, SIMATIC MV550 S, SIMATIC MV560 U, and SIMATIC MV560 X devices with versions earlier than V3.3.4. These devices are unable to handle specially crafted IP packets, which could lead to a denial of service condition if exploited by an unauthenticated remote attacker. Affected devices will require manual restart. The vulnerability has a base severity rating of HIGH (7.5) and an availability impact of HIGH. The vulnerability falls under the CWE-400 category - Uncontrolled Resource Consumption (Resource Exhaustion).

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