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8.8
CVE-2018-8736: Nagios XI could let attackers gain root access
CVE-2018-8736 · published 8 years ago
Summary
Versions of Nagios XI from 5.2 up to 5.4.12 let a user who has already exploited a code‑execution flaw take control of the whole system as the administrator. This could let an attacker run any commands with full privileges. Update Nagios XI to version 5.4.13 or later, or apply the vendor’s patch, and review any systems that may have been exposed.
What to do
- Update nagios nagios_xi to version 5.4.13 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| nagios | nagios_xi |
>= 5.2.0, < 5.4.13 cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* |
Original advisory text
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.
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.
References
- https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT Release Notes Vendor Advisory
- https://blog.redactedsec.net/exploits/2018/04/26/nagios.html Exploit Release Notes Technical Description Third Party Advisory
- https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f Third Party Advisory
- https://www.exploit-db.com/exploits/44560/ Exploit Third Party Advisory VDB Entry
- https://www.exploit-db.com/exploits/44969/ Exploit Third Party Advisory VDB Entry
- https://www.nagios.com/downloads/nagios-xi/change-log/ Release Notes Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Timeline
Published18 Apr 2018
Updated29 Sep 2026
First seen29 Sep 2026
Sources
CVE-2018-8736 · NVD
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