Schneider Electric Modicon PLCs
At a glance
- Source
- NVD
- EPSS
- EPSS 2.25 % · percentile 83 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- icscert
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-522 — Insufficiently Protected Credentials
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2017-15096
- GCVE · GCVE-0-2017-6028
CERT-FR advisories
- CERTFR-2020-AVI-643 — Multiples vulnérabilités dans les produits Schneider Electric · cert.ssi.gouv.fr
- CERTFR-2019-AVI-312 — Multiples vulnérabilités dans les produits Schneider Electric · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*≤ 4.0.3.20cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*≤ 4.0.3.20
Affected products
| Product | Versions |
|---|---|
| Schneider Electric Modicon PLCs | affected Schneider Electric Modicon PLCs |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |