// For flags

CVE-2021-31505

Arlo Q Plus SSH Use of Hard-coded Credentials Privilege Escalation Vulnerability

Severity Score

6.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

This vulnerability allows attackers with physical access to escalate privileges on affected installations of Arlo Q Plus 1.9.0.3_278. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSH service. The device can be booted into a special operation mode where hard-coded credentials are accepted for SSH authentication. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-12890.

Esta vulnerabilidad permite a atacantes con acceso físico escalar privilegios en las instalaciones afectadas de Arlo Q Plus versión 1.9.0.3_278. No es requerida una autenticación para explotar esta vulnerabilidad. El fallo específico se presenta en el servicio SSH. El dispositivo puede ser arrancado en un modo de funcionamiento especial en donde credenciales embebidas son aceptadas para la autenticación SSH. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar código arbitrario en el contexto de root. Fue ZDI-CAN-12890

This vulnerability allows attackers with physical access to escalate privileges on affected installations of Arlo Q Plus. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the SSH service. The device can be booted into a special operation mode where hard-coded credentials are accepted for SSH authentication. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

*Credits: Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | pedrib@gmail.com) + Radek Domanski (@RabbitPro)
CVSS Scores
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-16 CVE Reserved
  • 2021-06-14 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-798: Use of Hard-coded Credentials
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Arlo
Search vendor "Arlo"
 Q Plus Firmware
Search vendor "Arlo" for product "Q Plus Firmware"
 1.9.0.3_278
Search vendor "Arlo" for product "Q Plus Firmware" and version "1.9.0.3_278"
-
Affected
in Arlo
Search vendor "Arlo"
 Q Plus
Search vendor "Arlo" for product "Q Plus"
--
Safe