Distributed Data Systems WebHM
CVE-2021-43931

9.8CRITICAL

Key Information:

Vendor

Distributed Data Systems

Status
Webhmi
Vendor
CVE Published:
6 December 2021

Badges

👾 Exploit Exists

What is CVE-2021-43931?

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 Version(s)

WebHMI 4.1

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marcin Dudek of CERT.PL reported these vulnerabilities to CISA.
.