CVE-2020-15591

CRITICALNVD 9.89.8—

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 90.2%
KEV: Not listed

Published

March 17, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://cwe.mitre.org/data/definitions/95.html
cve@mitrehttps://fex.rus.uni-stuttgart.de
cve@mitrehttps://secfault-security.com/advisories/cve2020-15591.html
af854a3a-2127-422b-91ae-364da2661108https://cwe.mitre.org/data/definitions/95.html
af854a3a-2127-422b-91ae-364da2661108https://fex.rus.uni-stuttgart.de
af854a3a-2127-422b-91ae-364da2661108https://secfault-security.com/advisories/cve2020-15591.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
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Frequently asked(5)

What is CVE-2020-15591?

CVE-2020-15591 is a critical vulnerability published on March 17, 2022. fexsrv in F*EX (aka Frams' Fast File EXchange) before fex-20160919_2 allows eval injection (for unauthenticated remote code execution).

When was CVE-2020-15591 disclosed?

CVE-2020-15591 was first published in the National Vulnerability Database on March 17, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-15591 actively exploited?

CVE-2020-15591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

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

How do I remediate CVE-2020-15591?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15591, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-15591

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-15591?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)