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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
schneiderCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
schneider-electricmodicon_m241_firmware
𝑥
< 5.1.9.1
schneider-electricmodicon_m251_firmware
𝑥
< 5.1.9.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05