CVE-2021-42165

CVSS V2 High 9 CVSS V3 High 8.8

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".

Overview

CVE ID
CVE-2021-42165

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-05-03T12:15:07

Last Modified Date
2022-05-11T00:04:06

Weakness Enumerations

CWE	URL
CWE-78	http://cwe.mitre.org/data/definitions/78.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:mitrastar:gpt-2541gnac-n1_firmware:br_g3.5_100vnz0b33:::::::*	1	OR
cpe:2.3:h:mitrastar:gpt-2541gnac-n1:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
9

Severity
HIGH

Exploitability Score
8

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.exploit-db.com/exploits/50351
https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html
https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-42165
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42165

History

Created	Old Value	New Value	Data Type	Notes
2022-05-08 06:20:09				Added to TrackCVE