CVE-2020-7240

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
n/a	n/a	n/a
meinberg	ims-lantime_m1000	< *
meinberg	lantime_m300	< *

References

https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.htmlThird Party Advisory
https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.htmlExploit, Third Party Advisory
https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer
https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.htmlThird Party Advisory
https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.htmlExploit, Third Party Advisory
https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer

Timeline

Published: Jan 20, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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