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CVE-2020-36947— LibreNMS 1.46 - MAC Accounting Graph Authenticated SQL Injection

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 1.46版本存在安全漏洞，该漏洞源于对MAC记账图形端点中sort参数的操作不当，可能导致SQL注入攻击。

CVSS 7.1 · High EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing

Affected Version Matrix 1

VendorProduct Version RangeStatus
LibreNMS LibreNMS 1.46 affected
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I. Basic Information for CVE-2020-36947

Vulnerability Information
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Vulnerability Title
LibreNMS 1.46 - MAC Accounting Graph Authenticated SQL Injection
Source: CVE Program / CVE List V5
Vulnerability Description
LibreNMS 1.46 contains an authenticated SQL injection vulnerability in the MAC accounting graph endpoint that allows remote attackers to extract database information. Attackers can exploit the vulnerability by manipulating the 'sort' parameter with crafted SQL injection techniques to retrieve sensitive database contents through time-based blind SQL injection.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
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 1.46版本存在安全漏洞，该漏洞源于对MAC记账图形端点中sort参数的操作不当，可能导致SQL注入攻击。
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 1.46 -

II. Public POCs for CVE-2020-36947

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III. Intelligence Information for CVE-2020-36947

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IV. Related Vulnerabilities

Same product: LibreNMS
Same vendor: LibreNMS
Same weakness: CWE-89

V. Comments for CVE-2020-36947

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