CVE-2018-7791

Published: Aug 29, 2018Updated: May 29, 2026 Sources: CVE List NVD BDU csafCWE-287

9.8CRITICAL

NVD MITRE

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-287 CWE-284

Affected Products

Schneider Electric SE

commercial·FRaka premium quantum plcs, modicon m340, u.motion, bmxnor0200, pelco sarix professional

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

ICS / OT / IoT / plc-scada-hmi

schneider-electric

commercial·FRaka schneider electric se

modicon m221 firmware

ICS / OT / IoT

Schneider Electric

commercial·FRaka schneider-electric

Modicon M221

ICS / OT / IoT

Exploitability

Official Patch Available

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

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References

http://www.securityfocus.com/bid/105182

securityfocus.com

https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/

schneider-electric.com

https://www.securityfocus.com/bid/105182/info

securityfocus.com

and 10 more references View all →

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