What’s Vulnerable › Vulnerabilities

CVE-2023-37468: Storing unencrypted LDAP passwords in feedbacksystem

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-13 · updated 2026-06-17
• Weakness: CWE-312

Description

Feedbacksystem is a personalized feedback system for students using artificial intelligence. Passwords of users using LDAP login are stored in clear text in the database. The LDAP users password is passed unencrypted in the LoginController.scala and stored in the database when logging in for the first time. Users using only local login or the cas login are not affected. This issue has been patched in version 1.19.2.

Affected products

• thm-mni-ii feedbacksystem: from 1.5.0 before 1.9.2 — fixed in 1.9.2

How to fix

Upgrade to a fixed version: thm-mni-ii feedbacksystem 1.9.2. Check the vendor advisory for mitigations.

References

• https://github.com/thm-mni-ii/feedbacksystem/commit/8d896125263e1efb1b70990987c7704426325bcf
• https://github.com/thm-mni-ii/feedbacksystem/releases/tag/v1.9.2
• https://github.com/thm-mni-ii/feedbacksystem/security/advisories/GHSA-g28r-8wg3-7349
• https://github.com/thm-mni-ii/feedbacksystem/commit/8d896125263e1efb1b70990987c7704426325bcf
• https://github.com/thm-mni-ii/feedbacksystem/releases/tag/v1.9.2
• https://github.com/thm-mni-ii/feedbacksystem/security/advisories/GHSA-g28r-8wg3-7349

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