cve.bz

CVE-2018-20434

9.8 criticalEPSS 71%

LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling.

Severity

CVSS 3.0

9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
71% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE
CWE-78
Published
Modified
Record from
the NVD, synced

Affected

References

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