FreePBX cdr 14.0 ucp/Cdr.class.php ajaxHandler limit/offset sql injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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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 with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/25/2022 as f1a9eea2dfff30fb99d825bac194a676a82b9ec8. It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2020-36630. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

By approaching the search of inurl:ucp/Cdr.class.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version eliminates this vulnerability. The upgrade is hosted for download at Applying the patch f1a9eea2dfff30fb99d825bac194a676a82b9ec8 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (VulDB): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
ATT&CK: T1505

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: cdr
Patch: f1a9eea2dfff30fb99d825bac194a676a82b9ec8


12/25/2022 Advisory disclosed
12/25/2022 +0 days CVE reserved
12/25/2022 +0 days VulDB entry created
01/24/2023 +30 days VulDB last update


Advisory: f1a9eea2dfff30fb99d825bac194a676a82b9ec8
Status: Confirmed

CVE: CVE-2020-36630 (🔒)


Created: 12/25/2022 08:25 PM
Updated: 01/24/2023 09:55 AM
Changes: 12/25/2022 08:25 PM (45), 01/24/2023 09:51 AM (2), 01/24/2023 09:55 AM (21)
Complete: 🔍


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