CVE-2017-6028

9.8CRITICAL

Key Information:

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

Summary

An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials could then be used to log into the web application.

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

CVSS V3.1

Score:
9.8
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

.