SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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).

HIGH 8.8EPSS 2.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.44% probability · 84th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
meinbergglobal/lantime m300 firmware · meinbergglobal/lantime m1000 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.44%26 October 202626 October 2026

EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.