CVE-2017-6028

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

Description

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.

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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:H

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
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

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
2.2%
81th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

schneider-electric