CVE-2026-20028

Name of the Vulnerable Software and Affected Versions Cisco Terminal Service (TS) Agent (affected versions not specified)

Description A flaw in the network driver allows an authenticated remote attacker to bypass firewall rules linked to their own account. This occurs because of an incorrect mapping of network connections to user accounts. By sending crafted network traffic, an attacker with user-level credentials can inherit the firewall rules of another user in the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.