8.8
HIGH
CVE-2021-42165
MitraStar GPT-2541GNAC-N1 HGU Remote Command Injection Vulnerability
Description

MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing command "deviceinfo show file &&/bin/bash" because of incorrect sanitization of parameter "path".

INFO

Published Date :

May 3, 2022, 12:15 p.m.

Last Modified :

May 11, 2022, 12:04 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-42165 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-42165 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mitrastar gpt-2541gnac-n1_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-42165.

URL Resource
https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md Exploit Third Party Advisory
https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/50351 Exploit Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Privilege escalation vulnerability on MitraStar routers

Updated: 10 months, 2 weeks ago
10 stars 2 fork 2 watcher
Born at : Sept. 29, 2021, 3:41 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-42165 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42165 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 11, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md No Types Assigned https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md Exploit, Third Party Advisory
    Changed Reference Type https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html No Types Assigned https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/50351 No Types Assigned https://www.exploit-db.com/exploits/50351 Exploit, Third Party Advisory, VDB Entry
    Added CWE NIST CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:mitrastar:gpt-2541gnac-n1_firmware:br_g3.5_100vnz0b33:*:*:*:*:*:*:* OR cpe:2.3:h:mitrastar:gpt-2541gnac-n1:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-42165 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.61 }} -0.45%

score

0.91804

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability