CVE-2017-6028 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 sen...
CriticalCVSS 9.8
EPSS 2.3%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric modicon m241 firmware | <= 4.0.3.20 | No fix listed |
| schneider-electric modicon m251 firmware | <= 4.0.3.20 | No fix listed |
References
- 97254 third-party-advisory vdb-entry
- ics-cert.us-cert.gov third-party-advisory us-government-resource