What’s Vulnerable › Vulnerabilities

CVE-2021-21255: entities switch IDOR

• Severity: medium (CVSS 5.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-02 · updated 2026-06-17
• Weakness: CWE-862

Description

GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI version 9.5.3, it was possible to switch entities with IDOR from a logged in user. This is fixed in version 9.5.4.

Affected products

• glpi-project glpi: 9.5.3

References

• https://github.com/glpi-project/glpi/commit/aade65b7f67d46f23d276a8acb0df70651c3b1dc
• https://github.com/glpi-project/glpi/security/advisories/GHSA-v3m5-r3mx-ff9j
• https://github.com/glpi-project/glpi/commit/aade65b7f67d46f23d276a8acb0df70651c3b1dc
• https://github.com/glpi-project/glpi/security/advisories/GHSA-v3m5-r3mx-ff9j

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