CVE-2018-4063

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Summary

CVECVE-2018-4063
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-05-06 19:29:00 UTC
Updated2019-05-07 20:29:00 UTC
DescriptionAn 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.

Risk And Classification

EPSS: 0.008020000 probability, percentile 0.740500000 (date 2026-04-02)

CISA KEV: Listed on 2025-12-12; due 2026-01-02; ransomware use Unknown

Problem Types: CWE-434

CISA Known Exploited Vulnerability

VendorSierra Wireless
ProductAirLink ALEOS
NameSierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Noteshttps://www.cisa.gov/news-events/ics-advisories/icsa-19-122-03 ; https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---swi-psa-2019-003 ; https://source.sierrawireless.com/resources/airlink/hardware_reference_docs/airlink_es450_eol ; https://nvd.nist.gov/vuln/detail/CVE-2018-4063

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Sierrawireless Airlink Es450 - All All All
Hardware Sierrawireless Airlink Es450 - All All All
Operating System Sierrawireless Airlink Es450 Firmware 4.9.3 All All All
Operating System Sierrawireless Airlink Es450 Firmware 4.9.3 All All All

References

ReferenceSourceLinkTags
TALOS-2018-0748 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence MISC talosintelligence.com Exploit, Third Party Advisory
Sierra Wireless AirLink ALEOS | ICS-CERT MISC ics-cert.us-cert.gov
Sierra Wireless AirLink ES450 ACEManager upload.cgi Remote Code Execution ≈ Packet Storm MISC packetstormsecurity.com
Sierra Wireless AirLink ALEOS Multiple Security Vulnerabilities BID www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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