Unauthenticated Remote Access Vulnerability in Siemens SIMATIC HMI and SINAMICS Products
CVE-2020-15798

9.8CRITICAL

Key Information:

Vendor
Siemens
Status
Simatic Hmi Comfort Panels (incl. Siplus Variants)
Simatic Hmi Ktp Mobile Panels
Sinamics Gh150
Sinamics Gl150 (with Option X30)
Vendor
CVE Published:
9 February 2021

Summary

A vulnerability exists in various Siemens SIMATIC HMI and SINAMICS products where devices with the telnet service enabled allow remote attackers to access the device without authentication. This lack of security control can lead to significant risks as attackers can potentially exploit this access to manipulate settings or information.

Affected Version(s)

SIMATIC HMI Comfort Panels (incl. SIPLUS variants) All versions < V16 Update 3a

SIMATIC HMI KTP Mobile Panels All versions < V16 Update 3a

SINAMICS GH150 All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-52000...
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https://us-cert.cisa.gov/ics/advisories/icsa-21-033-02
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https://cert-portal.siemens.com/productcert/pdf/ssa-75210...
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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

.