CVE-2020-7240

HIGH

Meinberg Lantime M300 and M1000 Firmware - Authenticated OS Command Injection via Extended Network Configuration Script

Title source: llm
STIX 2.1

Description

Meinberg Lantime M300 and M1000 devices allow attackers (with privileges to configure a device) to execute arbitrary OS commands by editing the /config/netconf.cmd script (aka Extended Network Configuration). Note: According to the description, the vulnerability requires a fully authenticated super-user account using a webUI function that allows super users to edit a script supposed to execute OS commands. The given weakness enumeration (CWE-78) is not applicable in this case as it refers to abusing functions/input fields not supposed to be accepting OS commands by using 'Special Elements.

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.html

Scores

CVSS v3 8.8
EPSS 0.0244
EPSS Percentile 82.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-78
Status published
Products (2)
meinbergglobal/lantime_m1000_firmware
meinbergglobal/lantime_m300_firmware
Published Jan 20, 2020
Tracked Since Feb 18, 2026