Vulnerability record · CVE-2017-6028 · published 30 June 2017
CVE-2017-6028: Schneider-electric modicon m241 firmware insufficiently protected credentials vulnerability
Schneider Electric · Modicon M241 Firmware
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.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| http://www.securityfocus.com/bid/97254 | Third Party AdvisoryVDB Entry |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 | Third Party AdvisoryUS Government Resource |
| http://www.securityfocus.com/bid/97254 | Third Party AdvisoryVDB Entry |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02 | Third Party AdvisoryUS Government Resource |
Track CVE-2017-6028 inside VULONE
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2017-6028), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
