Home/CVE/A predictable seed vulnerability exists in the password reset functionality of Epignosis EfrontPro 5.2.21. By predicting
CVE

CVE-2020-28597

A predictable seed vulnerability exists in the password reset functionality of Epignosis EfrontPro 5.2.21. By predicting

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.

HIGH · CVSS 7.5 EPSS 0.0037
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-335Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
CWE-337Predictable Seed in Pseudo-Random Number Generator (PRNG)
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Affected Products & Versions

1
epignosishq efrontall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Mar 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1221Third Party Advisory
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