Vulnerability Details CVE-2021-31337
The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 6.8
References
Products affected by CVE-2021-31337
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cpe:2.3:h:siemens:sinamics_sl150:-
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cpe:2.3:h:siemens:sinamics_sm150:-
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cpe:2.3:h:siemens:sinamics_sm150i:-
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cpe:2.3:o:siemens:sinamics_sl150_firmware:-
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cpe:2.3:o:siemens:sinamics_sl150_firmware:4.7
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cpe:2.3:o:siemens:sinamics_sl150_firmware:4.8
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cpe:2.3:o:siemens:sinamics_sm150_firmware:-
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cpe:2.3:o:siemens:sinamics_sm150_firmware:4.8
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cpe:2.3:o:siemens:sinamics_sm150_firmware:5.1
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cpe:2.3:o:siemens:sinamics_sm150i_firmware:-