CVE-2021-43931

—

CVSS 3.1

9.8 critical

EPSS

1%p71

Published

Dec 6, 2021 (Dec 6, 2021)

Modified

Jun 17, 2026

Description

The authentication algorithm of the WebHMI portal is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

Vendors: webhmi
Products: webhmi firmware
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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