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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-31933 Detail

Description

A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filtering for certain filenames (e.g., .phar or .pht). A remote authenticated administrator is able to upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  MITRE
Base Score:  7.2 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/162572/Chamilo-LMS-1.11.14-Remote-Code-Execution.html Exploit  Third Party Advisory  VDB Entry 
https://github.com/chamilo/chamilo-lms/commit/229302139e8d23bf6862183cf219b967f6e2fbc1 Patch  Third Party Advisory 
https://github.com/chamilo/chamilo-lms/commit/f65d065061a77bb2e84f73217079ce3998cf3453 Patch  Third Party Advisory 
https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-48-2021-04-17-Critical-impact-high-risk-Remote-Code-Execution Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-706 Use of Incorrectly-Resolved Name or Reference cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-31933
NVD Published Date:
04/30/2021
NVD Last Modified:
06/28/2022
Source:
MITRE