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Nagios Xi CVE-2018-15711

HIGH
OS Command Injection (CWE-78)
2018-11-14 vulnreport@tenable.com
Command Injection Nagios Xi
8.8
CVSS 3.0 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Nov 14, 2018 - 18:29 nvd
HIGH 8.8

DescriptionNVD

Nagios XI 5.5.6 allows remote authenticated attackers to reset and regenerate the API key of more privileged users. The attacker can then use the new API key to execute API calls at elevated privileges.

AnalysisAI

Nagios XI 5.5.6 allows remote authenticated attackers to reset and regenerate the API key of more privileged users. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Nagios XI 5.5.6 allows remote authenticated attackers to reset and regenerate the API key of more privileged users. The attacker can then use the new API key to execute API calls at elevated privileges. Affected products include: Nagios Nagios Xi.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

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Nagios XI before 5.6.6 allows remote command execution as root. Rated high severity (CVSS 8.8), this vulnerability is re
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Same weakness CWE-78 – OS Command Injection

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CVE-2017-6077 CRITICAL POC
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Same technique Command Injection

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CVE-2012-1823 CRITICAL POC
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CVE-2025-64328 HIGH POC
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CVE-2018-15711 vulnerability details – vuln.today
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