CVE-2023-24034 Nagios CVE debrief

Who should care

Defenders responsible for Nagios XI installations should assess exposure and verify the version in use. They should prioritize verifying the affected versions and assessing exposure in their environments. Additionally, security teams and vulnerability management teams should be aware of this vulnerability and its potential impact on their systems.

Why it matters

The open redirect vulnerability in Nagios XI before 5.9.3 allows an attacker to force a user to visit a malicious site, potentially leading to phishing or other malicious activities. Defenders should prioritize verifying the affected versions and assessing exposure in their environments.

• Phishing or social engineering attacks may be facilitated through the open redirect vulnerability
• Defenders need to verify the affected versions and assess exposure in their environments
• The vulnerability may be used to force users to visit malicious sites, potentially leading to further exploitation

Technical summary

The open redirect vulnerability in twilio_ajax_handler.php allows an attacker to force a user to visit a malicious site, potentially leading to phishing or other malicious activities. This vulnerability affects Nagios XI installations prior to version 5.9.3. Defenders should prioritize verifying the affected versions and assessing exposure in their environments. The vulnerability may be used to force users to visit malicious sites, potentially leading to further exploitation.

Defensive priority

Defenders should prioritize verifying the affected versions and assessing exposure in their environments.

Recommended defensive actions

• Verify the version of Nagios XI in use and assess exposure
• Review and update the configuration of twilio_ajax_handler.php
• Monitor for potential malicious activity

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, and further verification is required to determine the affected versions and potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.