CRITICAL

CVE-2020-15591

CVSS v3

9.8

CRITICAL

EPSS Score

4.1 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-15591 yet.

Full record on NVD

Description

fexsrv in F*EX (aka Frams' Fast File EXchange) before fex-20160919_2 allows eval injection (for unauthenticated remote code execution).

Technical details

Published: 2022-03-17

Frequently asked questions

What is CVE-2020-15591?

fexsrv in F*EX (aka Frams' Fast File EXchange) before fex-20160919_2 allows eval injection (for unauthenticated remote code execution).

Is CVE-2020-15591 actively exploited?

Active exploitation of CVE-2020-15591 has not been confirmed. Its EPSS score was 4.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-15591?

CVE-2020-15591 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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