CVE-2021-42165 : MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing c

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".

Published 2022-05-03 12:15:08

Updated 2022-05-11 00:04:06

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-42165

EPSS FAQ

4.35%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 92 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-42165

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.0	HIGH	AV:N/AC:L/Au:S/C:C/I:C/A:C	8.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-42165

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-42165

https://www.exploit-db.com/exploits/50351

Mitrastar GPT-2541GNAC-N1 - Privilege escalation - Hardware remote Exploit
Exploit;Third Party Advisory;VDB Entry
https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html

Mitrastar GPT-2541GNAC-N1 Privilege Escalation ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry
https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md

Privilege-escalation-MitraStar/README.md at main · leoservalli/Privilege-escalation-MitraStar · GitHub
Exploit;Third Party Advisory

Products affected by CVE-2021-42165

Mitrastar » Gpt-2541gnac-n1 Firmware » Version: Br G3.5 100vnz0b33
cpe:2.3:o:mitrastar:gpt-2541gnac-n1_firmware:br_g3.5_100vnz0b33:*:*:*:*:*:*:*
Matching versions
When used together with: Mitrastar » Gpt-2541gnac-n1 » Version: N/A

Vulnerability Details : CVE-2021-42165

Exploit prediction scoring system (EPSS) score for CVE-2021-42165

CVSS scores for CVE-2021-42165

CWE ids for CVE-2021-42165

References for CVE-2021-42165

Products affected by CVE-2021-42165