Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2026-01-02 · passed 8 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Sierra Wireless AirLink ALEOS contains an unrestricted upload of file with dangerous type vulnerability. 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. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
Who is affected
Sierra Wireless AirLink ALEOS. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-434.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 8 months ago
Sources
- NVD entry for CVE-2018-4063 nvd.nist.gov/vuln/detail/CVE-2018-4063
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- cisa.gov www.cisa.gov/news-events/ics-advisories/icsa-19-122-03
- source.sierrawireless.com source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---swi-psa-2019-003
- source.sierrawireless.com source.sierrawireless.com/resources/airlink/hardware_reference_docs/airlink_es450_eol
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2018-4063