CVE-2017-6026

9.1 CRITICAL
Published: June 30, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/97254
Source: ics-cert@hq.dhs.gov
Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02
Source: ics-cert@hq.dhs.gov
Third Party Advisory US Government Resource
https://www.exploit-db.com/exploits/45918/
Source: ics-cert@hq.dhs.gov
Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/97254
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
https://www.exploit-db.com/exploits/45918/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
31.8%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-330 CWE-330

Affected Vendors

schneider-electric

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