Is CVE-2023-40221 actively exploited?

No active exploitation of CVE-2023-40221 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-40221 be exploited remotely?

Yes. CVE-2023-40221 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-40221?

CVE-2023-40221 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2023-40221

HIGH

CVE-2023-40221

CWE-94Published: September 18, 2023· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

The absence of filters when loading some sections in the web application of the vulnerable device allows potential attackers to inject malicious code that will be interpreted when a legitimate user accesses the web section (MAIL SERVER) where the information is displayed. Injection can be done on parameter MAIL_RCV. When a legitimate user attempts to review NOTIFICATION/MAIL SERVER, the injected code will be executed.

NVD Source

Technical Analysis

CVE-2023-40221 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 8.8.