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nvd[email protected]NVD:CVE-2021-43931
HistoryDec 06, 2021 - 6:15 p.m.

CVE-2021-43931

2021-12-0618:15:08
CWE-287
web.nvd.nist.gov
2
webhmi
authentication
bypass
vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

58.9%

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.

Affected configurations

Nvd
Node
webhmiwebhmi_firmwareRange<4.1
AND
webhmiwebhmiMatch-
VendorProductVersionCPE
webhmiwebhmi_firmware*cpe:2.3:o:webhmi:webhmi_firmware:*:*:*:*:*:*:*:*
webhmiwebhmi-cpe:2.3:h:webhmi:webhmi:-:*:*:*:*:*:*:*

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

58.9%

Related for NVD:CVE-2021-43931