CVE-2017-6028
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductSchneider-electric Modicon M241 Firmware
PublishedJun 30, 2017
First seenJun 30, 2017
Weakness typeCWE-522CWE-522
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric modicon_m241_firmware | v ≤ 4.0.3.20 | — |
| schneider-electric modicon_m251_firmware | v ≤ 4.0.3.20 | — |
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