What’s Vulnerable › Vulnerabilities

CVE-2018-8736

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 45.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-04-18 · updated 2026-06-17

Description

A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.

Affected products

• Nagios XI: from 5.2.0 before 5.4.13 — fixed in 5.4.13

How to fix

Upgrade to a fixed version: Nagios XI 5.4.13. Check the vendor advisory for mitigations.

References

• https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
• https://blog.redactedsec.net/exploits/2018/04/26/nagios.html
• https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f
• https://www.exploit-db.com/exploits/44560/
• https://www.exploit-db.com/exploits/44969/
• https://www.nagios.com/downloads/nagios-xi/change-log/
• https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
• https://blog.redactedsec.net/exploits/2018/04/26/nagios.html
• https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f
• https://www.exploit-db.com/exploits/44560/
• https://www.exploit-db.com/exploits/44969/
• https://www.nagios.com/downloads/nagios-xi/change-log/

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