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CVE-2023-40931

MediumPublished

A SQL injection vulnerability in Nagios XI from version 5.11.0 up to and including 5.11.1 allows authenticated attackers to execute arbitrary SQL commands...

Published: Sep 19, 2023
Updated: Jul 9, 2026
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

6.5/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS probability estimate

12.5%

Moderate · next 30 days

Percentile: 96.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A SQL injection vulnerability in Nagios XI from version 5.11.0 up to and including 5.11.1 allows authenticated attackers to execute arbitrary SQL commands via the ID parameter in the POST request to /nagiosxi/admin/banner_message-ajaxhelper.php

Sources

Nagios-XI-s-CVE-2023-40931-ExploitExploit
Exploit for Nagios XI SQL injection vulnerability (CVE-2023-40931) enabling remote database extraction and unauthorized access.
CVE-2023-40931-POCPoC
CVE-2023-40931 Proof of Concept made for HTB MONITORED
CVE-2023-40931-PoCExploit
The sqlmap payload to exploit CVE-2023-40931

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