CVSS 3.1 Score 8.6 of 10 (high)


Published Jul 11, 2023
Updated: Jul 19, 2023
CWE ID 770


CVE-2023-36521 is a vulnerability that affects SIMATIC MV540 H, SIMATIC MV540 S, SIMATIC MV550 H, SIMATIC MV550 S, SIMATIC MV560 U, and SIMATIC MV560 X versions prior to V3.3.4. The vulnerability resides in the result synchronization server of these products and can potentially lead to a denial of service (DoS) condition. An attacker could exploit this vulnerability to cause a DoS situation by targeting the socket-based communication if the result server is enabled. The base severity of this vulnerability is rated as HIGH with a CVSS score of 8.6. Siemens has reported this vulnerability and provides no specific remediation information at the moment.

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