// For flags

CVE-2021-43118

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.

Se presenta una vulnerabilidad de Inyección de Comando Remoto en DrayTek Vigor 2960 versión 1.5.1.3, DrayTek Vigor 3900 versión 1.5.1.3, y DrayTek Vigor 300B versión 1.5.1.3, por medio de un mensaje HTTP diseñado que contiene una cadena de consulta malformada en el archivo mainfunction.cgi, que podría permitir a un usuario remoto malicioso ejecutar código arbitrario

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-01 CVE Reserved
  • 2022-03-29 CVE Published
  • 2023-10-20 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Draytek
Search vendor "Draytek"
Vigor2960 Firmware
Search vendor "Draytek" for product "Vigor2960 Firmware"
1.5.1.3
Search vendor "Draytek" for product "Vigor2960 Firmware" and version "1.5.1.3"
-
Affected
in Draytek
Search vendor "Draytek"
Vigor2960
Search vendor "Draytek" for product "Vigor2960"
--
Safe
Draytek
Search vendor "Draytek"
Vigor3900 Firmware
Search vendor "Draytek" for product "Vigor3900 Firmware"
1.5.1.3
Search vendor "Draytek" for product "Vigor3900 Firmware" and version "1.5.1.3"
-
Affected
in Draytek
Search vendor "Draytek"
Vigor3900
Search vendor "Draytek" for product "Vigor3900"
--
Safe
Draytek
Search vendor "Draytek"
Vigor300b Firmware
Search vendor "Draytek" for product "Vigor300b Firmware"
1.5.1.3
Search vendor "Draytek" for product "Vigor300b Firmware" and version "1.5.1.3"
-
Affected
in Draytek
Search vendor "Draytek"
Vigor300b
Search vendor "Draytek" for product "Vigor300b"
--
Safe