vulnerability

Arch Linux: Information disclosure (CVE-2021-33516)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
May 24, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025

Description

An issue was discovered in GUPnP before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tampering, etc.

Solution

arch-linux-upgrade-latest
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.