SEPTEMBER 19, 2026
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Case File

CVE-2021-43421

CRITICAL · CVSS 9.8 EPSS 42.78% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-07 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 42.8% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

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

GitHub PoC Links

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

CVE
CVE-2021-43421
Severity
CRITICAL
CVSS
9.8
EPSS
42.78%

Original NVD Description

A File Upload vulnerability exists in Studio-42 elFinder 2.0.4 to 2.1.59 via connector.minimal.php, which allows a remote malicious user to upload arbitrary files and execute PHP code.

Related CVEs

Other vulnerabilities affecting the same vendor(s)