CVE-2020-7240 Command injection in n/a
Authenticated super-users can execute arbitrary OS commands by editing a configuration script in Meinberg Lantime devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-7240?
CVE-2020-7240 is a high-severity command injection vulnerability in n/a, published on 20 Jan 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2020-7240?
It affects 2 products.
Products include Meinbergglobal Lantime M1000 Firmware, Meinbergglobal Lantime M300 Firmware.
How do I fix CVE-2020-7240?
No fix has been published for CVE-2020-7240 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-7240 being exploited?
There is no known exploitation of CVE-2020-7240 in the wild and no public exploit code.
Sources
Also known as GHSA-924j-9954-rvrv.