Vulnerability Details CVE-2020-25241
A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP RST packages. An attacker could exploit this to terminate arbitrary TCP sessions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2020-25241
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cpe:2.3:h:siemens:simatic_mv420_sr-b:-
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cpe:2.3:h:siemens:simatic_mv420_sr-b_body:-
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cpe:2.3:h:siemens:simatic_mv420_sr-p:-
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cpe:2.3:h:siemens:simatic_mv420_sr-p_body:-
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cpe:2.3:h:siemens:simatic_mv440_hr:-
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cpe:2.3:h:siemens:simatic_mv440_sr:-
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cpe:2.3:h:siemens:simatic_mv440_ur:-
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cpe:2.3:o:siemens:simatic_mv420_sr-b_body_firmware:*
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cpe:2.3:o:siemens:simatic_mv420_sr-b_firmware:*
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cpe:2.3:o:siemens:simatic_mv420_sr-p_body_firmware:*
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cpe:2.3:o:siemens:simatic_mv420_sr-p_firmware:*
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cpe:2.3:o:siemens:simatic_mv440_hr_firmware:*
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cpe:2.3:o:siemens:simatic_mv440_sr_firmware:*
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cpe:2.3:o:siemens:simatic_mv440_ur_firmware:*