{"id":"CVE-2021-21327","details":"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.","aliases":["GHSA-qmw7-w2m4-rjwp"],"modified":"2026-08-07T15:14:05.574814Z","published":"2021-03-08T17:15:13.197Z","references":[{"type":"ADVISORY","url":"https://github.com/glpi-project/glpi/releases/tag/9.5.4"},{"type":"ADVISORY","url":"https://github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/glpi-project/glpi","events":[{"introduced":"0"},{"fixed":"59a0a0b6101fcd54b00bfc6a61d4e707513c08c9"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"9.5.4"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*"}}],"versions":["9.5.3","9.5.2","9.5.1","9.5.0","9.5.0-rc2","9.5.0-rc1","9.4.1.1","9.4.1","9.4.0","9.4.0-rc2","9.4.0-rc1","9.4.0-beta","9.3-beta","9.1","9.1-RC2","9.1-RC1","0.90","0.90-RC2","0.90-RC1","0.90-beta2","0.90-beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21327.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}