CVE-2018-7791

Summary

A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC.

Affected Software

VendorProductVersion RangeStatus
Schneider Electric SEModicon M221, all references, all versions prior to firmware V1.6.2.0Modicon M221, all references, all versions prior to firmware V1.6.2.0affected

Weaknesses

  • Permissions, Privileges, and Access Control

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References