CVE-2021-31933

HIGH
7.2
CVSS Score
Published: April 30, 2021 at 08:49 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
2 products affected across 1 vendorChamiloChamilo LMS

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Severity
HIGH7.2
Exploit prediction
EPSS 14%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.11.14
v ≤ 1.11.14

CVSS

7.2HIGHmitre
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-706

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