CVE-2021-21327

Unsafe Reflection in getItemForItemtype()

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.

Affected

glpi-project · glpi

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 GITHUB

6.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

2.47% chance of exploitation in the next 30 days, 84th percentile

Published

2021-03-08

Updated

2024-08-03

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html

Security advisories

• glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp
• glpi-project/glpi/releases/tag/9.5.4

References

• CVE Record
• NVD entry