CVE-2020-15415

DrayTek Multiple Vigor Routers OS Command Injection Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

On DrayTek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1, cgi-bin/mainfunction.cgi/cvmcfgupload allows remote command execution via shell metacharacters in a filename when the text/x-python-script content type is used, a different issue than CVE-2020-14472.

En los dispositivos DrayTek Vigor3900, Vigor2960 y Vigor300B versiones anteriores a 1.5.1, en el archivo cgi-bin/mainfunction.cgi/cvmcfgupload permite una ejecución de comandos remota por medio de metacaracteres de shell en un nombre de archivo cuando es usado el tipo de contenido text/x-python-script, un problema diferente de CVE-2020-14472

DrayTek Vigor3900, Vigor2960, and Vigor300B devices contain an OS command injection vulnerability in cgi-bin/mainfunction.cgi/cvmcfgupload that allows for remote code execution via shell metacharacters in a filename when the text/x-python-script content type is used.

*Credits: N/A

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:Act

Exploitation

Active

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2020-06-30 CVE Reserved
2020-06-30 CVE Published
2024-09-30 Exploited in Wild
2024-10-04 CVE Updated
2024-10-04 First Exploit
2024-10-21 KEV Due Date
2024-12-17 EPSS Updated

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (2)

URL	Tag	Source
https://www.draytek.com/about/security-advisory	Third Party Advisory

URL	Date	SRC
https://github.com/CLP-team/Vigor-Commond-Injection	2024-10-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Draytek Search vendor "Draytek"	Vigor3900 Firmware Search vendor "Draytek" for product "Vigor3900 Firmware"	< 1.5.1 Search vendor "Draytek" for product "Vigor3900 Firmware" and version " < 1.5.1"	-	Affected	in	Draytek Search vendor "Draytek"	Vigor3900 Search vendor "Draytek" for product "Vigor3900"	-	-	Safe
Draytek Search vendor "Draytek"	Vigor2960 Firmware Search vendor "Draytek" for product "Vigor2960 Firmware"	< 1.5.1 Search vendor "Draytek" for product "Vigor2960 Firmware" and version " < 1.5.1"	-	Affected	in	Draytek Search vendor "Draytek"	Vigor2960 Search vendor "Draytek" for product "Vigor2960"	-	-	Safe
Draytek Search vendor "Draytek"	Vigor300b Firmware Search vendor "Draytek" for product "Vigor300b Firmware"	< 1.5.1 Search vendor "Draytek" for product "Vigor300b Firmware" and version " < 1.5.1"	-	Affected	in	Draytek Search vendor "Draytek"	Vigor300b Search vendor "Draytek" for product "Vigor300b"	-	-	Safe