CVE-2021-43421
elFinder Unrestricted File Upload vulnerability
9.8
CRITICAL
CVSS 3.1
EPSS 79.5%
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.
How to fix CVE-2021-43421
To remediate CVE-2021-43421, upgrade the affected package to a fixed version below.
- Packagist/studio-42/elfinder—upgrade to 2.1.60 or later
Is CVE-2021-43421 being exploited?
Likely — EPSS is 79.5%, placing CVE-2021-43421 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 2.0.4, < 2.1.60
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |