CVE-2021-43931

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/6/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

webhmi:webhmiwebhmi:webhmi_firmware

Weaknesses (CWE)

CWE-287

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03(ics-cert@hq.dhs.gov)

https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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