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Cisco Cisco Terminal Services Agent vulnerabilities

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Published CVEs affecting Cisco Cisco Terminal Services Agent: 1 record(s), with affected versions and fixes.

CVE-2026-20028 Medium · 5.0 CWE-266 Aug 5, 2026
Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability
A vulnerability in the network driver of Cisco Terminal Service (TS) Agent could allow an authenticated, remote attacker to bypass firewall rules that are associated with the account of the attacker. This vulnerability is due to an incorrect mapping of network connections to user accounts. An attacker with at least user-level credentials could exploit this vulnerability by sending crafted network traffic to an affected device. A successful exploit could allow the attacker to inherit the firewall rules associated with a different user in the system.