Skip to content

CVE-2018-7791 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 unau...

CriticalCVSS 9.8 EPSS 1.9%
Published
Updated
Exploit status
No public exploit known

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.

Affected products

ProductAffected versionsFixed in
schneider-electric modicon m221 firmware < 1.6.2.0 1.6.2.0
Schneider Electric SE Modicon M221, all references, all versions prior to firmware V1.6.2.0 = Modicon M221, all references, all versions prior to firmware V1.6.2.0 No fix listed

References