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Severity
High
Analysis Summary
CVE-2022-27640 CVSS:7.4
Siemens SIMATIC CP 442-1 and CP 443-1 RNA is vulnerable to a denial of service, caused by improperly handling excessive ARP broadcast requests. By sending numerous ARP requests, a remote attacker could exploit this vulnerability to cause a denial of service.
Impact
- Denial of Service
Indicators Of Compromise
CVE
- CVE-2022-27640
Affected Vendors
- Siemens
Affected Products
- Siemens SIMATIC CP 442-1 RNA 1.5.17
- Siemens SIMATIC CP 443-1 RNA 1.5.1
Remediation
Refer to Siemens Security Advisory for patch, upgrade or suggested workaround information.