CVE-2021-23394
Remote Code Execution (RCE)
CRITICAL
9.8
CVSS Score
Published: June 13, 2021 at 11:05 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorElfinder
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Severity
CRITICAL9.8
Exploit prediction
EPSS 19%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities/x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/Studio-42/elFinder/commit/75ea92decc16a5daf7f618f85dc621d1b534b5e1x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/Studio-42/elFinder/issues/3295x_refsource_MISCThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-PHP-STUDIO42ELFINDER-1290554CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-434
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