Vulnerability Details CVE-2021-22699
Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 66.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.8
References
Products affected by CVE-2021-22699
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cpe:2.3:h:schneider-electric:modicon_m241:-
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cpe:2.3:h:schneider-electric:modicon_m251:-
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cpe:2.3:o:schneider-electric:modicon_m241_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m241_firmware:4.0.3.20
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cpe:2.3:o:schneider-electric:modicon_m251_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m251_firmware:4.0.3.20