CVE-2018-4063

8.8 HIGH CISA KEV - Actively Exploited
Published: May 06, 2019 Modified: December 15, 2025

Description

An exploitable remote code execution vulnerability exists in the upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. A specially crafted HTTP request can upload a file, resulting in executable code being uploaded, and routable, to the webserver. An attacker can make an authenticated HTTP request to trigger this vulnerability.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/108147
Source: talos-cna@cisco.com
Broken Link
https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
Source: talos-cna@cisco.com
Third Party Advisory US Government Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748
Source: talos-cna@cisco.com
Exploit Third Party Advisory
http://www.securityfocus.com/bid/108147
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4063
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
https://www.forescout.com/blog/ot-network-security-threats-industrial-routers-under-attack/
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
1.1%
77th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-01-02

Weaknesses (CWE)

Affected Vendors

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