CVE-2018-7790

Summary

An Information Management Error 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 replay authentication sequences. If an attacker exploits this vulnerability and connects to a Modicon M221, 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

  • Information Management Error

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References