Arbitrary file upload in Std42 Elfinder
CVE-2021-23394
The package studio-42/elfinder before 2.1.58 are vulnerable to Remote Code Execution (RCE) via execution of PHP code in a .phar file. NOTE: This only applies if the server parses .phar files as PHP.
Vulnerability class: Unrestricted File Upload
EPSS: 0.191 (97.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Std42 Elfinder
- N/a Studio-42/elfinder — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-23394?
- CVE-2021-23394 is a high-severity vulnerability in Std42 Elfinder, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.1/10. Published 2021-06-13.
- How severe is CVE-2021-23394?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-23394 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.