CVE-2021-39211: Disclosure of GLPI and server information in telemetry endpoint
GLPI is a free Asset and IT management software package. Starting in version 9.2 and prior to version 9.5.6, the telemetry endpoint discloses GLPI and server information. This issue is fixed in version 9.5.6. As a workaround, remove the file ajax/telemetry.php, which is not needed for usual functions of GLPI.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GLPIto a version that resolves this vulnerability.Fixed in 9.5.6 - Remove
Remove
GLPI ajax/telemetry.phpfrom your environment.As a workaround, remove the file `ajax/telemetry.php` (not needed for usual functions of GLPI).
Event History
Frequently Asked Questions
What is the severity of CVE-2021-39211?
CVE-2021-39211 is considered a medium severity vulnerability due to the exposure of sensitive GLPI and server information.
How do I fix CVE-2021-39211?
To fix CVE-2021-39211, upgrade GLPI to version 9.5.6 or later or remove the file ajax/telemetry.php as a workaround.
What versions of GLPI are affected by CVE-2021-39211?
CVE-2021-39211 affects GLPI versions from 9.2 to 9.5.5.
What information is disclosed due to CVE-2021-39211?
CVE-2021-39211 allows the telemetry endpoint to disclose sensitive GLPI and server information.
Is there a permanent solution for CVE-2021-39211?
Yes, the permanent solution for CVE-2021-39211 is to update to GLPI version 9.5.6, which includes the fix.