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CVE-2021-39211— Disclosure of GLPI and server information in telemetry endpoint

Quick assessment

Affected
glpi-project glpi
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GLPI是个人开发者的一款开源IT和资产管理软件。该软件提供功能全面的IT资源管理接口，你可以用它来建立数据库全面管理IT的电脑，显示器，服务器，打印机，网络设备，电话，甚至硒鼓和墨盒等。 GLPI 存在信息泄露漏洞，作为一个解决方案，删除文件 ajax telemetry.php ，这对GLPI的常规功能是不需要的。

CVSS 5.3 · Medium EPSS 4.70% · P92

Public Exploits 1

Nuclei · 1 CVE-2021-39211.yaml [template]

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-39211

Vulnerability Information
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Vulnerability Title
Disclosure of GLPI and server information in telemetry endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
GLPI 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GLPI是个人开发者的一款开源IT和资产管理软件。该软件提供功能全面的IT资源管理接口，你可以用它来建立数据库全面管理IT的电脑，显示器，服务器，打印机，网络设备，电话，甚至硒鼓和墨盒等。 GLPI 存在信息泄露漏洞，作为一个解决方案，删除文件 ajax telemetry.php ，这对GLPI的常规功能是不需要的。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
glpi-project glpi >= 9.2, < 9.5.6 -

II. Public POCs for CVE-2021-39211

# POC Description Source Link Shenlong Link
1 GLPI 9.2 and prior to 9.5.6 is susceptible to information disclosure via the telemetry endpoint, which discloses GLPI and server information. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized operations. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-39211.yaml POC Details
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III. Intelligence Information for CVE-2021-39211

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Vendor Advisories for CVE-2021-39211 (1)

Other References for CVE-2021-39211 (1)

Same Patch Batch · glpi-project · 2021-09-15 · 4 CVEs total

CVE-2021-39209 8.8 HIGH Bypassable CSRF protection
CVE-2021-39213 6.8 MEDIUM IP restriction on GLPI API Bypass with custom header injection
CVE-2021-39210 6.5 MEDIUM Autologin cookie accessible by scripts

IV. Related Vulnerabilities

Same product: glpi
Same vendor: glpi-project
Same weakness: CWE-200

V. Comments for CVE-2021-39211

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