#VU84509 SQL injection in 3CX Phone System - CVE-2023-49954

Vulnerability identifier: #VU84509

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-49954

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
3CX Phone System
Hardware solutions / Office equipment, IP-phones, print servers

Vendor: 3CX

Description

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data within 3CX CRM Integration. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

3CX Phone System: before 18.0.9.23

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External links
https://cve-2023-49954.github.io/
https://www.3cx.com/blog/news/sql-database-integration-update/
https://www.3cx.com/blog/news/sql-database-integration/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.