Cyber Resilience

CVE-2023-3545

CriticalPublic PoC

Published: 28 November 2023

Published
28 November 2023
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0299 86.8th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-3545 is a critical-severity Improper Handling of Case Sensitivity (CWE-178) vulnerability in Chamilo Chamilo. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 13.2% 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

Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged…

more

attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution.

CWE(s)
CWE-178

Related Threats

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

Affected Assets

chamilo
chamilo
≤ 1.11.20

Mitigating Controls

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

References