Home/CVE/Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
CVE

CVE-2018-4063

Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability

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.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.01877
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-434Unrestricted Upload of File with Dangerous Type
CWE-434Unrestricted Upload of File with Dangerous Type
▤

Affected Products & Versions

3
sierrawireless aleos< 4.4.9
sierrawireless aleos< 4.11.0
sierrawireless aleos< 4.9.4
⚠

Public Exploits & PoCs

3
pocpacketstormsecurity.com · Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remot...packetstormsecurity.com
poctalosintelligence.com · TALOS-2018-0748talosintelligence.com
pocwww.forescout.com · ot-network-security-threats-industrial-routers-under-attackwww.forescout.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 May 2019 · 07:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2018-4063
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsa-19-122-03
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/108147Broken Link
https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03Third Party AdvisoryUS Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4063US Government Resource
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin