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CVE-2019-15949: Nagios XI Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2019-15949
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Nagios XI contains a remote code execution vulnerability in which a user can modify the check_plugin executable and insert malicious commands to execute as root.

CSIRTS triage

vendor: Nagiosproduct: XIRemote code execution
What
A user can modify the check_plugin executable to execute malicious commands as root.
Who is affected
Deployments of Nagios XI.
Urgency
Critical urgency for remediation due to active exploitation.
Action
Patch Nagios XI to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-15949

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-15949coverage & exploitation statusNVD · CVE.org

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