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CVE-2020-36630— FreePBX cdr Cdr.class.php ajaxHandler sql injection

Quick assessment

Affected
FreePBX cdr
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.

FreePBX（前称Asterisk Management Portal）是FreePBX项目的一套通过GUI（基于网页的图形化接口）配置Asterisk（IP电话系统）的工具。 FreePBX cdr 14.0.5.21之前版本存在SQL注入漏洞，该漏洞源于文件ucp/Cdr.class.php的函数ajaxHandler存在问题，对参数limit/offset的操作会导致sql注入。

CVSS 5.5 · Medium EPSS 0.68% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-36630

Vulnerability Information
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Vulnerability Title
FreePBX cdr Cdr.class.php ajaxHandler sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in FreePBX cdr 14.0. It has been classified as critical. This affects the function ajaxHandler of the file ucp/Cdr.class.php. The manipulation of the argument limit/offset leads to sql injection. Upgrading to version 14.0.5.21 is able to address this issue. The name of the patch is f1a9eea2dfff30fb99d825bac194a676a82b9ec8. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216771.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
FreePBX SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreePBX（前称Asterisk Management Portal）是FreePBX项目的一套通过GUI（基于网页的图形化接口）配置Asterisk（IP电话系统）的工具。 FreePBX cdr 14.0.5.21之前版本存在SQL注入漏洞，该漏洞源于文件ucp/Cdr.class.php的函数ajaxHandler存在问题，对参数limit/offset的操作会导致sql注入。
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
FreePBX cdr 14.0 -

II. Public POCs for CVE-2020-36630

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III. Intelligence Information for CVE-2020-36630

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Patches & Fixes for CVE-2020-36630 (1)

Vendor Advisories for CVE-2020-36630 (2)

Other References for CVE-2020-36630 (1)

IV. Related Vulnerabilities

Same vendor: FreePBX
Same weakness: CWE-89

V. Comments for CVE-2020-36630

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