CVE-2018-5439: A Command Injection issue was discovered in Nortek Linear eMerge E3 series Versions V0.32-07e and prior. A remote attacker may be able to execute arbitrary…

PriorityP261critical9.8CVSS 3.0

AVNACLPRNUINSUCHIHAH

EPSS

4.21%

89.7th percentile

A Command Injection issue was discovered in Nortek Linear eMerge E3 series Versions V0.32-07e and prior. A remote attacker may be able to execute arbitrary code on a target machine with elevated privileges.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
nortekcontrol	emerge_e3_firmware	<= 0.32-07e	—

Detection & IOCsextracted from sources · hover to see the quote

→Vulnerability class is Command Injection (CWE-77) on Nortek Linear eMerge E3 Series; detection should focus on unexpected command execution or injection attempts in HTTP requests targeting the device's web interface, particularly looking for shell metacharacters in input fields. ↗
→The vulnerability is remotely exploitable with no authentication required (CVSS vector AV:N/AC:L/PR:N/UI:N), meaning network-facing Linear eMerge E3 devices should be monitored for unauthenticated requests that include command injection payloads. ↗
→Affected versions are V0.32-07e and prior; asset inventory and version fingerprinting of Linear eMerge E3 Series devices on the network can help scope exposure. ↗

·No known public exploits were available at the time of the advisory, which may limit signature-based detection coverage. ↗
·The advisory does not disclose the specific vulnerable parameter or endpoint, limiting the ability to write precise network-layer detection rules without further research. ↗

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C

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