PT-2018-1525 · Schneider Electric · Modicon M221

Published 2018-07-30 · Updated 2026-05-29 · CVE-2018-7792

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Modicon M221 versions prior to V1.6.2.0

Description A Permissions, Privileges, and Access Control issue exists, allowing unauthorized users to decode passwords using a rainbow table. This could enable a remote attacker to exploit the vulnerability and gain access to sensitive information.

Recommendations For versions prior to V1.6.2.0, update the firmware to V1.6.2.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the device and its associated networks to minimize the risk of exploitation. Avoid using weak passwords and consider implementing additional security measures to protect against unauthorized access.

Fix

Missing Authorization

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-264

CWE-862

CWE-261

CWE-327

Related Identifiers

BDU:2018-01080

CVE-2018-7792

Affected Products

Modicon M221

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2018-7792 · Security Note
• https://osv.dev/vulnerability/CVE-2018-7792 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-01080 · Security Note
• https://schneider-electric.com/en/download/document/SEVD-2018-235-01 · Vendor Advisory
• https://t.me/cveNotify/165209 · Telegram Post
• http://securityfocus.com/bid/105182 · Note
• https://securityfocus.com/bid/105182/info · Note