Vulnerability · Published Apr 7, 2022 · Assigned by mitre
CVE-2021-43421
Critical 9.8
In plain English
A critical-severity security flaw in the studio-42/elfinder package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 42.8% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)42.8%top 1.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | studio-42/elfinder | 2.1.60 | GHSA-x4jx-hjwf-gc99 |
Affected products (as reported)
References
- https://github.com/Studio-42/elFinder/issues/3429 x_refsource_MISC
- https://twitter.com/infosec_90/status/1455180286354919425 x_refsource_MISC