What’s Vulnerable › Vulnerabilities

CVE-2018-8734

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 53.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-04-18 · updated 2026-06-17
• Weakness: CWE-89

Description

SQL injection vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary SQL commands via the selInfoKey1 parameter.

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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