CVE-2017-6026

CRITICAL

Schneider Electric Modicon PLCs <4.0.5.11 - Info Disclosure

Title source: llm

Description

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.

Exploits (1)

exploitdb WORKING POC
by Photubias · pythonwebappshardware
https://www.exploit-db.com/exploits/45918

Scores

CVSS v3 9.1
EPSS 0.1857
EPSS Percentile 95.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-330
Status published
Products (3)
n/a/Schneider Electric Modicon PLCs Schneider Electric Modicon PLCs
schneider-electric/modicon_m241_firmware < 4.0.3.20
schneider-electric/modicon_m251_firmware < 4.0.3.20
Published Jun 30, 2017
Tracked Since Feb 18, 2026