01 Record
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 creation of a new device, and then making a
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 71.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.3% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-04-24 20:05Z7 YR AGO
- Last updated
- 2024-08-05 11:58Z2 YR AGO
- Reserved
- 2018-12-24
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.1
- Document digest
- bf785a355888a6db5bd8eaeec97750daea2abd7f455d60242733df4a748d5e25
05 Affected products
VendorProductVersionsPlatforms
06 References
- gist.github.comhttps://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d
- drive.google.comhttps://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing
- shells.systemshttps://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/
- packetstormsecurity.comhttp://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html