{"affected":[{"affectedData":[{"product":"glpi","vendor":"glpi-project","versions":[{"status":"affected","version":"< 9.5.4"}]}],"source":"security-advisories@github.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*","matchCriteriaId":"9506B7CC-727B-40FE-B5A3-69B362E1ACEB","versionEndExcluding":"9.5.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI before version 9.5.4 non-authenticated user can remotely instantiate object of any class existing in the GLPI environment that can be used to carry out malicious attacks, or to start a “POP chain”. As an example of direct impact, this vulnerability affects integrity of the GLPI core platform and third-party plugins runtime misusing classes which implement some sensitive operations in their constructors or destructors. This is fixed in version 9.5.4."},{"lang":"es","value":"GLPI es un paquete de software de gestión de activos y TI de código abierto que proporciona funcionalidades de ITIL Service Desk, seguimiento de licencias y auditoría de software.&#xa0;En GLPI versiones anteriores a 9.5.4, el usuario no autenticado puede instanciar de forma remota un objeto de cualquier clase existente en el entorno GLPI que puede ser usado para llevar a cabo ataques maliciosos o para iniciar una “POP chain”.&#xa0;Como ejemplo de impacto directo, esta vulnerabilidad afecta la integridad de la plataforma central de GLPI y las clases de uso inapropiado del tiempo de ejecución de plugins de terceros que implementan algunas operaciones sensibles en sus constructores o destructores.&#xa0;Esto es corregido en la versión 9.5.4"}],"id":"CVE-2021-21327","lastModified":"2026-06-17T03:35:18.280","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N","version":"3.1"},"exploitabilityScore":2.2,"impactScore":4.0,"source":"security-advisories@github.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-03-08T17:15:13.197","references":[{"source":"security-advisories@github.com","tags":["Exploit","Third Party Advisory","VDB Entry"],"url":"http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html"},{"source":"security-advisories@github.com","tags":["Release Notes"],"url":"https://github.com/glpi-project/glpi/releases/tag/9.5.4"},{"source":"security-advisories@github.com","tags":["Vendor Advisory"],"url":"https://github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory","VDB Entry"],"url":"http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"],"url":"https://github.com/glpi-project/glpi/releases/tag/9.5.4"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp"}],"sourceIdentifier":"security-advisories@github.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-862"}],"source":"security-advisories@github.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-470"}],"source":"nvd@nist.gov","type":"Primary"}]}