Vulnerability · Published Nov 28, 2023 · Assigned by STAR_Labs
CVE-2023-3533Chamilo LMS Unauthenticated Remote Code Execution via Arbitrary File Write
Critical 9.8
In plain English
A critical-severity path traversal in Chamilo from Chamilo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)3.5%top 10.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- 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 vendor-advisory
- https://starlabs.sg/advisories/23/23-3533/ third-party-advisory
- https://github.com/chamilo/chamilo-lms/commit/37be9ce7243a30259047dd4517c48ff8b21d657a patch