CVE-2018-20434
LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during...
- Published
- Apr 24, 2019
- Updated
- Aug 5, 2024
- Assigning CNA
- mitre
- Evidence observed
- Jun 5, 2019
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:CHigh · next 30 days
- Percentile
- 99.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
3- CVE-2018-20434Exploit
The official exploit code for LibreNMS v1.46 Remote Code Execution CVE-2018-20434
Metasploit · linux · Jun 5, 2019
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