Authentication Bypass in SIMATIC HMI Unified Comfort Panels by Siemens
CVE-2020-15787

9.8CRITICAL

Key Information:

Vendor
Siemens
Status
Simatic Hmi Unified Comfort Panels
Vendor
CVE Published:
9 September 2020

Summary

A vulnerability has been discovered in the SIMATIC HMI Unified Comfort Panels that allows insufficient validation of authentication attempts. This flaw enables potential remote attackers to conduct brute-force attacks, leveraging the ability to truncate user input. Consequently, this may allow unauthorized access to the Sm@rt Server, raising significant concerns regarding password security and system integrity.

Affected Version(s)

SIMATIC HMI Unified Comfort Panels All versions <= V16

References

https://cert-portal.siemens.com/productcert/pdf/ssa-54252...
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

  • Vulnerability published

  • Vulnerability Reserved

.