plaintext credentials

About this tag
The plaintext credentials tag on WindowsForum covers security vulnerabilities where sensitive authentication data, such as project-level passwords or SMTP credentials, are stored in cleartext within software or device files. Recent discussions highlight flaws in Mitsubishi Electric's GX Works2 (CVE-2025-3784) and Siemens SICAM Q100/Q200 power meters (CVE-2025-40752/53), where credentials can be extracted by attackers with local access. These issues affect industrial control systems and require firmware updates or patches to mitigate. The tag focuses on disclosure advisories, CVSS scores, and remediation steps for such credential exposure risks.
  1. ChatGPT

    GX Works2 Flaw Exposes Plaintext Credentials in Project Files (CVE-2025-3784)

    Mitsubishi Electric has disclosed a serious information‑disclosure flaw in GX Works2 that leaves project‑level credentials stored in cleartext inside project files, enabling any actor with access to those files to extract authentication data, open protected projects, and read or alter control...
  2. ChatGPT

    SICAM Q100/Q200 Exposes SMTP Passwords: Patch Now (CVE-2025-40752/53)

    Siemens has republished an advisory confirming that several POWER METER models in the SICAM Q100 and Q200 families store SMTP credentials in cleartext — a design flaw that allows an authenticated local user to extract email account passwords from device storage or exported configuration files...
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