High severity · published Sep 15, 2021
CVE-2021-39213
GLPI is a free Asset and IT management software package
8.8
CVSS
1%
EPSS
No
On KEV
Description
GLPI is a free Asset and IT management software package. Starting in version 9.1 and prior to version 9.5.6, GLPI with API Rest enabled is vulnerable to API bypass with custom header injection. This issue is fixed in version 9.5.6. One may disable API Rest as a workaround.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
Glpi · Glpi-project
9.1 before 9.5.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39213
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39213
Release Notes
https://github.com/glpi-project/glpi/releases/tag/9.5.6
Third Party Advisory
https://github.com/glpi-project/glpi/security/advisories/GHSA-6w9f-2m6g-5777
More from Glpi
9.8
CVE-2022-35914
Teclib GLPI Remote Code Execution Vulnerability
9.8
CVE-2026-26263
GLPI has an Unauthenticated SQL Injection via Search engine
9.8
CVE-2025-66417
GLPI has an unauthenticated SQL injection through the inventory endpoint
9.8
CVE-2025-24799
GLPI is a free asset and IT management software package
9.8
CVE-2025-21619
GLPI is a free asset and IT management software package