CVE-2020-13859

An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.0.8-std devices

published February 1, 2021

CVSS
—
EPSS
1%
Percentile
67.4
In the wild
Unconfirmed
What it is

⚠️ An undocumented system account can waltz right into the management interface, and all it takes is a forgotten-password feature! 🔐 Think of it like an unguarded backdoor in a hotel — someone could just stroll in without a key, thanks to a mix-up in the system's guest list. That’s how the mofidev account accesses the LuCI management interface without needing any credentials! An attacker could exploit this vulnerability to gain unauthorized access to the management interface, potentially allowing them to modify settings or compromise the device's functionality. While it’s not actively being exploited, the possibility of a sneaky entry into your network is still there!

Put simply

Think of it like an unguarded backdoor in a hotel — someone could just stroll in without a key, thanks to a mix-up in the system's guest list. That’s how the mofidev account accesses the LuCI management interface without needing any credentials! This vulnerability arises from a format error in the /etc/shadow file combined with a logic flaw in the LuCI framework. It permits the undocumented account mofidev to log into the management interface without a password through an exploited forgotten-password feature.

What to do

An attacker could exploit this vulnerability to gain unauthorized access to the management interface, potentially allowing them to modify settings or compromise the device's functionality. While it’s not actively being exploited, the possibility of a sneaky entry into your network is still there! To secure your device, ensure you immediately update the MOFI4500-4GXeLTE firmware if a patch is available. Additionally, review your access controls and disable any unused accounts to fortify security. 🛡️ You've got this! Follow these steps, and you’ll keep your network safe and sound! 🚀

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01178 · 67.4th percentile
Published
2021-02-01T01:27Z
EPSS history
Timeline
  • 01 FEB 01:27Z
    An issue was discovered on Mofi Network MOFI4500-4GXeLTE 4.0.8-std devices
    cvelistv5