CVE-2017-6030

Summary

A predictable value range from previous values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0, Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.

Affected Software

VendorProductVersion RangeStatus
Schneider ElectricModicon M2210 < 1.5.0.0affected
Schneider ElectricModicon M2410 < 4.0.5.11affected
Schneider ElectricModicon M2510 < 4.0.5.11affected

Weaknesses

  • CWE-343: CWE-343

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References