CVE-2018-4063 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html http://www.securityfocus.com/bid/108147 https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8