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CVE-2023-48294— Broken Access control on Graphs Feature in LibreNMS

Quick assessment

Affected
librenms librenms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibreNMS是LibreNMS社区的一套基于PHP和MySQL的开源网络监控系统。该系统具有自定义警报、自动发现网络环境和自动更新等特点。 LibreNMS 23.11.0之前版本存在安全漏洞。攻击者利用该漏洞可以使用其id或主机名枚举librenms上的设备。

CVSS 4.3 · Medium EPSS 0.69% · P52
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I. Basic Information for CVE-2023-48294

Vulnerability Information
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Vulnerability Title
Broken Access control on Graphs Feature in LibreNMS
Source: CVE Program / CVE List V5
Vulnerability Description
LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems. In affected versions of LibreNMS when a user accesses their device dashboard, one request is sent to `graph.php` to access graphs generated on the particular Device. This request can be accessed by a low privilege user and they can enumerate devices on librenms with their id or hostname. Leveraging this vulnerability a low privilege user can see all devices registered by admin users. This vulnerability has been addressed in commit `489978a923` which has been included in release version 23.11.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
LibreNMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreNMS是LibreNMS社区的一套基于PHP和MySQL的开源网络监控系统。该系统具有自定义警报、自动发现网络环境和自动更新等特点。 LibreNMS 23.11.0之前版本存在安全漏洞。攻击者利用该漏洞可以使用其id或主机名枚举librenms上的设备。
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
librenms librenms < 23.11.0 -

II. Public POCs for CVE-2023-48294

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III. Intelligence Information for CVE-2023-48294

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Patches & Fixes for CVE-2023-48294 (1)

Vendor Advisories for CVE-2023-48294 (1)

Other References for CVE-2023-48294 (1)

Same Patch Batch · librenms · 2023-11-17 · 3 CVEs total

CVE-2023-48295 6.3 MEDIUM Cross-site Scripting at Device groups Deletion feature in LibreNMS
CVE-2023-46745 5.3 MEDIUM Rate limiting Bypass on login page in libreNMS

IV. Related Vulnerabilities

Same product: librenms
Same vendor: librenms
Same weakness: CWE-200

V. Comments for CVE-2023-48294

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