CVE-2020-8515

DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html	Third Party Advisory
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-(cve-2020-8515)/	Exploit Vendor Advisory
http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html	Exploit Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:draytek:vigor2960_firmware:1.3.1:beta:*:*:*:*:*:*

cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

OR	cpe:2.3:o:draytek:vigor300b_firmware:1.3.3:beta::::::
	cpe:2.3:o:draytek:vigor300b_firmware:1.4.2.1:beta::::::
	cpe:2.3:o:draytek:vigor300b_firmware:1.4.4:beta::::::

cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:draytek:vigor3900_firmware:1.4.4:beta:*:*:*:*:*:*

cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*

Information

Published : 2020-02-01 05:15

Updated : 2022-01-01 12:03

NVD link : CVE-2020-8515

Mitre link : CVE-2020-8515

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Products Affected

draytek

vigor300b_firmware
vigor2960
vigor2960_firmware
vigor300b
vigor3900
vigor3900_firmware

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