CRITICAL

CVE-2021-43421

CVSS v3

9.8

CRITICAL

EPSS Score

76.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
4/7/2022

Frequently asked questions

What is CVE-2021-43421?

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.

Is CVE-2021-43421 actively exploited?

Active exploitation of CVE-2021-43421 has not been confirmed. The EPSS score is 76.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43421?

CVE-2021-43421 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-43421 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.