Is CVE-2020-36630 actively exploited?

No active exploitation of CVE-2020-36630 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-36630 be exploited remotely?

Yes. CVE-2020-36630 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-36630?

CVE-2020-36630 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-36630

CWE-89Published: December 25, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

FreePBX cdr contains a critical SQL injection vulnerability that can be exploited remotely via manipulated input parameters. The 9.8 CVSS score indicates an urgent need for remediation to prevent unauthorized database interaction.

There is no evidence of public exploitation, and it is not tracked in the CISA KEV.

Recommended Action

Upgrade FreePBX cdr to version 14.0.5.21 to address the vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-36630 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.