CVE-2020-15786

Summary

A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

Affected Software

VendorProductVersion RangeStatus
SiemensSIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)All versions < V16affected
SiemensSIMATIC HMI Comfort Panels (incl. SIPLUS variants)All versions <= V16affected
SiemensSIMATIC HMI Mobile PanelsAll versions <= V16affected
SiemensSIMATIC HMI Unified Comfort PanelsAll versions <= V16affected

Weaknesses

  • CWE-307: CWE-307: Improper Restriction of Excessive Authentication Attempts

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References