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CVE-2022-27640

MEDIUM CVSS: 6.5 Published: 2022-05-20 Modified: 2026-06-17

Description

A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot.

Affected Platforms

Siemens Simatic Cp 442-1 Rna FirmwareSiemens Simatic Cp 443-1 Rna FirmwareSiemens Simatic Cp 443-1 RnaSiemens Simatic Cp 442-1 Rna

Weakness Type

CWE-400, CWE-400

References