// For flags

CVE-2020-5756

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. An attacker can use this functionality to execute arbitrary OS commands on the router.

Grandstream GWN7000 versiones de firmware 1.0.9.4 y posterior, permite a usuarios autenticados remotos modificar el crontab del sistema por medio de una API no documentada. Un atacante puede usar esta funcionalidad para ejecutar comandos arbitrarios del Sistema Operativo en el enrutador

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-06 CVE Reserved
  • 2020-07-17 CVE Published
  • 2020-07-22 First Exploit
  • 2024-08-04 CVE Updated
  • 2024-08-26 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
  • CWE-489: Active Debug Code
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Grandstream
Search vendor "Grandstream"
 Gwn7000 Firmware
Search vendor "Grandstream" for product "Gwn7000 Firmware"
 <= 1.0.9.4
Search vendor "Grandstream" for product "Gwn7000 Firmware" and version " <= 1.0.9.4"
-
Affected
in Grandstream
Search vendor "Grandstream"
 Gwn7000
Search vendor "Grandstream" for product "Gwn7000"
--
Safe