CVE-2023-3533

Public Exploit
Chamilo LMS Unauthenticated Remote Code Execution via Arbitrary File Write

Description

Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via arbitrary file write.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 3.24% Top 15%
Vendor Advisory chamilo.org
Affected: Chamilo Chamilo
Published at:
Updated at:

References

Link Tags
https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-124-2023-07-13-Critical-impact-High-risk-Unauthenticated-Arbitrary-File-Write-RCE-CVE-2023-3533 issue tracking patch vendor advisory
https://starlabs.sg/advisories/23/23-3533/ third party advisory exploit
https://github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a patch

Frequently Asked Questions

What is the severity of CVE-2023-3533?
CVE-2023-3533 has been scored as a critical severity vulnerability.
How to fix CVE-2023-3533?
To fix CVE-2023-3533, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3533 being actively exploited in the wild?
It is possible that CVE-2023-3533 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3533?
CVE-2023-3533 affects Chamilo Chamilo.
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