{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T19:51:35.020","vulnerabilities":[{"cve":{"id":"CVE-2023-3545","sourceIdentifier":"info@starlabs.sg","published":"2023-11-28T07:15:42.913","lastModified":"2024-11-21T08:17:30.580","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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 attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution."},{"lang":"es","value":"La sanitización inadecuada en `main/inc/lib/fileUpload.lib.php` en Chamilo LMS en versiones &lt;= 1.11.20 en instalaciones de Windows y Apache permite a atacantes no autenticados eludir las protecciones de seguridad de carga de archivos y obtener la ejecución remota de código mediante la carga de archivo `.htaccess`. Esta vulnerabilidad puede ser aprovechada por atacantes privilegiados o encadenada con vulnerabilidades de escritura de archivos arbitrarios no autenticados, como CVE-2023-3533, para lograr la ejecución remota de código."}],"metrics":{"cvssMetricV31":[{"source":"info@starlabs.sg","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"weaknesses":[{"source":"info@starlabs.sg","type":"Secondary","description":[{"lang":"en","value":"CWE-178"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-178"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*","versionEndIncluding":"1.11.20","matchCriteriaId":"FF883FF3-A05D-4939-9777-9FCC16A9AFBB"}]}]}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4d709549","source":"info@starlabs.sg","tags":["Patch"]},{"url":"https://starlabs.sg/advisories/23/23-3545/","source":"info@starlabs.sg","tags":["Exploit","Third Party Advisory"]},{"url":"https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-125-2023-07-13-Critical-impact-Moderate-risk-Htaccess-File-Upload-Security-Bypass-on-Windows-CVE-2023-3545","source":"info@starlabs.sg","tags":["Issue Tracking","Vendor Advisory"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4d709549","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://starlabs.sg/advisories/23/23-3545/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-125-2023-07-13-Critical-impact-Moderate-risk-Htaccess-File-Upload-Security-Bypass-on-Windows-CVE-2023-3545","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Vendor Advisory"]}]}}]}