# CVE-2020-28597

## Summary

- **CVE ID:** CVE-2020-28597
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-337
- **Published:** Mar 3, 2021
- **Last Modified:** Mar 14, 2026

## Description

A predictable seed vulnerability exists in the password reset functionality of Epignosis EfrontPro 5.2.21. By predicting the seed it is possible to generate the correct password reset 1-time token. An attacker can visit the password reset supplying the password reset token to reset the password of an account of their choice.

## Affected Products

- n/a — Epignosis (Epignosis eFront LMS 5.2.17, Epignosis eFront LMS 5.2.21)

## References

- [CNA](https://talosintelligence.com/vulnerability_reports/TALOS-2020-1221)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.37%
- **EPSS Percentile:** 58.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._