Privilege Escalation in MitraStar GPT-2541GNAC-N1 Devices
CVE-2021-42165

8.8HIGH

Key Information:

Vendor

Mitrastar

Status
Gpt-2541gnac-n1 Firmware
Vendor
CVE Published:
3 May 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 39%

What is CVE-2021-42165?

MitraStar GPT-2541GNAC-N1 devices are susceptible to a vulnerability that allows remote authenticated users to gain root access. This is due to inadequate sanitization of the 'path' parameter when executing the command 'deviceinfo show file &&/bin/bash'. Attackers exploiting this flaw can command the device with elevated privileges, creating significant security risks.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-42165 - Proof of Concept

References

https://www.exploit-db.com/exploits/50351
x_refsource_MISC
https://packetstormsecurity.com/files/164333/Mitrastar-GP...
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https://github.com/leoservalli/Privilege-escalation-Mitra...
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EPSS Score

39% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.