How severe is CVE-2020-28597?

CVE-2020-28597 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-28597 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28597?

CVE-2020-28597 primarily affects Epignosishq Efront. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-28597?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-28597 published?

CVE-2020-28597 was published on 2021-03-03 and last updated on 2026-06-17.

CVE-2020-28597

CVE-2020-28597 is a high-severity vulnerability in Epignosishq Efront with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-335.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-335
Affected product: Epignosishq Efront
Published: 2021-03-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-28597?: 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.
How severe is CVE-2020-28597?: CVE-2020-28597 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-28597 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28597?: CVE-2020-28597 primarily affects Epignosishq Efront. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-28597?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-28597 published?: CVE-2020-28597 was published on 2021-03-03 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1221

Affected products (2)

cpe:2.3:a:epignosishq:efront:5.2.17:*:*:*:pro:*:*:*
cpe:2.3:a:epignosishq:efront:5.2.21:*:*:*:pro:*:*:*

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