CVE-2017-6026

Public Exploit

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 14.76% Top 10%
Third-Party Advisory securityfocus.com Third-Party Advisory us-cert.gov Third-Party Advisory exploit-db.com
Affected: n/a Schneider Electric Modicon PLCs
Published at:
Updated at:

References

Link Tags
https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 third party advisory us government resource
http://www.securityfocus.com/bid/97254 third party advisory vdb entry
https://www.exploit-db.com/exploits/45918/ third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2017-6026?
CVE-2017-6026 has been scored as a critical severity vulnerability.
How to fix CVE-2017-6026?
To fix CVE-2017-6026, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6026 being actively exploited in the wild?
It is possible that CVE-2017-6026 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-6026?
CVE-2017-6026 affects n/a Schneider Electric Modicon PLCs.
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