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Case File

CVE-2020-15591

CRITICAL · CVSS 9.8 EPSS 3.80% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-17 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Exchange. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-15591
Severity
CRITICAL
CVSS
9.8
EPSS
3.80%
Exchange

Original NVD Description

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