CVEvulnerability

CVE-2017-6028

9.8 CRITICAL Published 2017-06-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-06-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-522

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 configurations

• schneider-electric modicon m241 firmware (<= 4.0.3.20) • schneider-electric modicon m251 firmware (<= 4.0.3.20)

Related

Weakness · CWE (1)

  • CWE-522 Insufficiently Protected Credentials weakness

References