CVE-2020-35757 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered on Libre Wireless LS9 LS1.5/p7040 devices. There is Unauthenticated Root ADB Access Over TCP. The LS9 web interface provides functionality to access ADB over TCP. This is not enabled by default, but can be enabled by sending a crafted request to a web management interface endpoint. Requests made to this endpoint do not require authentication. As such, any unauthenticated user who is able to access the web interface will be able to gain root privileges on the LS9 module.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Librewireless	Ls9 Firmware	7040
Librewireless	Ls9	-

Related Weaknesses (CWE)

CWE-306

References

https://www.iot-inspector.com/blog/advisory-multiple-issues-libre-wireless-ls9/ExploitThird Party Advisory
https://www.iot-inspector.com/blog/advisory-multiple-issues-libre-wireless-ls9/ExploitThird Party Advisory

FAQ

What is CVE-2020-35757?

CVE-2020-35757 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered on Libre Wireless LS9 LS1.5/p7040 devices. There is Unauthenticated Root ADB Access Over TCP. The LS9 web interface provides functionality to access ADB over TCP. This is not e...

How severe is CVE-2020-35757?

CVE-2020-35757 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-35757?

Check the references section above for vendor advisories and patch information. Affected products include: Librewireless Ls9 Firmware, Librewireless Ls9.