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CVE-2017-6028

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/30/2017

Last Modified4/20/2025

Sourcenvd

Honeypot Sightings0

Affected Products

schneider-electric:modicon_m241schneider-electric:modicon_m241_firmwareschneider-electric:modicon_m251schneider-electric:modicon_m251_firmware

Weaknesses (CWE)

CWE-522CWE-522

References

http://www.securityfocus.com/bid/97254(ics-cert@hq.dhs.gov)

https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02(ics-cert@hq.dhs.gov)

http://www.securityfocus.com/bid/97254(af854a3a-2127-422b-91ae-364da2661108)

https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.