CVE-2018-8735
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13...
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
- Record
CVE-2018-8735- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
- Record
CVE-2018-8735- Updated
- 2026-11-02
EUVDEUVD-2018-20345 No score
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
- Record
EUVD-2018-20345- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-44xg-hr3w-5m39
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13...
Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
- Record
GHSA-44xg-hr3w-5m39- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Nagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Root | 2018-04-30 |
| Exploit-DB | Nagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit) | 2018-07-02 |
| Metasploit | Nagios XI Chained Remote Code Execution | 2016-03-06 |
| Metasploit | Nagios XI Chained Remote Code Execution | 2018-04-17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8735 is a high vulnerability (CVSS 8.8) in Nagios Xi, published April 18, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 63.6%, the 99th percentile. No source names a fixed version.
References
gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f
exploit-db.com/exploits/44560
nagios.com/downloads/nagios-xi/change-log
blog.redactedsec.net/exploits/2018/04/26/nagios.html
assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
nvd.nist.gov/vuln/detail/CVE-2018-8735
github.com/advisories/GHSA-44xg-hr3w-5m39