Cyber Resilience

CVE-2021-31933

HighPublic PoC

Published: 30 April 2021

Published
30 April 2021
Modified
21 November 2024
KEV Added
—
Patch
17 April 2021
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.1447 94.6th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31933 is a high-severity Use of Incorrectly-Resolved Name or Reference (CWE-706) vulnerability in Chamilo Chamilo. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 5.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.

CWE(s)
CWE-706

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

chamilo
chamilo
≤ 1.11.14

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References