What is CVE-2020-17406?

CVE-2020-17406 is a high-severity vulnerability in Microhard Bullet-Lte, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-10-13.

How severe is CVE-2020-17406?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Microhard Bullet-Lte

CVE-2020-17406

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the ping parameter provided to tools.sh. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10595.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.053 (91.8th 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

Microhard Bullet-lte — versions prior to v1.2.0-r1112
Microhardcorp Bullet-lte
Microhardcorp Bullet-lte_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-17406?: CVE-2020-17406 is a high-severity vulnerability in Microhard Bullet-Lte, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-10-13.
How severe is CVE-2020-17406?: High severity. CVSS v3 base score is 8.8 out of 10.