CVE-2017-6026

published 2017-06-30

CVE-2017-6026: A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and…

critical 9.1 CVSS 3.1

AV N AC L PR N UI N S U C H I H A N

EXPLOIT

A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The session numbers generated by the web application are lacking randomization and are shared between several users. This may allow a current session to be compromised.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
schneider-electric	modicon_m241_firmware	<= 4.0.3.20	—
schneider-electric	modicon_m251_firmware	<= 4.0.3.20	—

CWE-330