CVE-2017-6026

9.1CRITICAL

Key Information:

Vendor
Schneider Electric
Status
Schneider Electric Modicon Plcs
Vendor
CVE Published:
30 June 2017

Summary

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 Version(s)

Schneider Electric Modicon PLCs Schneider Electric Modicon PLCs

References

https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02
x_refsource_MISC
http://www.securityfocus.com/bid/97254
vdb-entryx_refsource_BID
https://www.exploit-db.com/exploits/45918/
exploitx_refsource_EXPLOIT-DB

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.