Vulnerability Details CVE-2022-27640
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.3%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 6.1
References
Products affected by CVE-2022-27640
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cpe:2.3:h:siemens:simatic_cp_442-1_rna:-
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cpe:2.3:h:siemens:simatic_cp_443-1_rna:-
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cpe:2.3:o:siemens:simatic_cp_442-1_rna_firmware:-
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cpe:2.3:o:siemens:simatic_cp_443-1_rna_firmware:-