CVEvulnerability

CVE-2017-6026

9.1 CRITICAL Published 2017-06-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-06-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:P/A:N
Weaknesses
CWE-330

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.

Affected configurations

• schneider-electric modicon m251 firmware (<= 4.0.3.20) • schneider-electric modicon m241 firmware (<= 4.0.3.20)

Related

Weakness · CWE (1)

  • CWE-330 Use of Insufficiently Random Values weakness

References