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TI-2021-04427 Aliases CVE-2021-21327

Unsafe Reflection in getItemForItemtype()

Priority LOW 38CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

EPSS 0.0247 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed glpi (glpi-project): 9.5.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
glpi-projectglpibefore 9.5.49.5.4Patch availableCNA
  • glpi Vendorglpi-project Affected before 9.5.4 Fixed in 9.5.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*before 9.5.4Vulnerableglpi-project
  • cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:* Versions before 9.5.4 Vulnerable ·glpi-project

Remediation

  • Fix · CNA glpi (glpi-project) Fixed in 9.5.4

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21327

References

Exploit 1

Advisory 1

Other 1

  • TI-2022-16341 /vendor/htmlawed/htmlawed/htmLawedTest.php in the htmlawed module for GLPI through 10.0.2 allows PHP code injection. KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18516 GLPI allows unauthenticated SQL injection through the inventory endpoint CVSS 3.1CRITICAL 9.8
  • TI-2023-25210 GLPI SQL injection through inventory agent request CVSS 3.1CRITICAL 9.8
  • TI-2023-17986 GLPI vulnerable to SQL injection via inventory agent request CVSS 3.1CRITICAL 9.8
  • TI-2022-13106 SQL injection on login page in GLPI CVSS 3.1CRITICAL 9.8
  • TI-2023-18602 GLPI vulnerable to SQL injection through Computer Virtual Machine information CVSS 3.1CRITICAL 9.8
See all 187 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences