CVE-2020-10823 Information

Description

A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900 Vigor2960 and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 1 of 3).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://slashd.ga/2020/03/draytek-vulnerabilities/ https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8