CVE-2021-43421
9.8
CRITICAL · CVSS 3.1 · EPSS 42.8% (pctl 99)
Patch early
EPSS 42.8% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 42.78% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-04-07 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| std42 | elfinder |
References
→ the Explorer · watch your stack · NVD