Vulnerability Details : CVE-2021-31933

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.
Published 2021-04-30 21:15:09
Updated 2022-06-28 14:11:45
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Directory traversalExecute code

Products affected by CVE-2021-31933

Threat overview for CVE-2021-31933

Top countries where our scanners detected CVE-2021-31933
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-31933 118
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-31933!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-31933

EPSS FAQ
3.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-31933

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
 NIST
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 MITRE
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 NIST

CWE ids for CVE-2021-31933

References for CVE-2021-31933

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