Phoenixcontact Fl Switch Smcs 4Tx Pn vulnerabilities

3 vulnerabilities

Known vulnerabilities in Phoenixcontact Fl Switch Smcs 4Tx Pn, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.8CVE-2021-21005phoenix contactfl nat+16
EPSS score
0.68%
In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.5.3CVE-2021-21003phoenix contactfl nat+16
EPSS score
0.95%
In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may cause a Denial of Service of Web-, SNMP- and ICMP-Echo services. The switching functionality of the device is not affected.7.4CVE-2021-21004phoenix contactfl nat+16
EPSS score
0.58%
In Phoenix Contact FL SWITCH SMCS series products in multiple versions an attacker may insert malicious code via LLDP frames into the web-based management which could then be executed by the client.