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TI-2021-04426 Aliases CVE-2021-21326

Horizontal Privilege Escalation

Priority LOW 36CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. 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 it is possible to create tickets for another user with self-service interface without delegatee systems enabled. This is fixed in version 9.5.4.

Why it matters now

EPSS 0.0138 72nd percentileScored 2026-11-07
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-2021-21326

References

  • 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