RCE in Meinbergglobal Lantime M1000

CVE-2020-7240

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.024 (82.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-7240?
CVE-2020-7240 is a high-severity vulnerability in Meinbergglobal Lantime M1000, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-01-20.
How severe is CVE-2020-7240?
High severity. CVSS v3 base score is 8.8 out of 10.