CVE-2018-7790

9.8CRITICAL

Key Information:

Vendor
Schneider Electric
Status
Modicon M221, All References, All Versions Prior To Firmware V1.6.2.0
Vendor
CVE Published:
29 August 2018

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 Version(s)

Modicon M221, all references, all prior to firmware V1.6.2.0 Modicon M221, all references, all versions prior to firmware V1.6.2.0

References

http://www.securityfocus.com/bid/105182
vdb-entryx_refsource_BID
https://www.schneider-electric.com/en/download/document/S...
x_refsource_CONFIRM

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

.