CVE-2021-22699

published 2021-05-26

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…

Priority P3 37 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
modicon_m241	m251_logic_controllers_firmware_prior_to_v5.1.9.1	—	—
schneider-electric	modicon_m241_firmware	< 5.1.9.1	5.1.9.1
schneider-electric	modicon_m251_firmware	< 5.1.9.1	5.1.9.1

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 7.8 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C

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CWE-20