THREATOPS
THREAT OPSThreat News › Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability

Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability

medcisco_psirtPublished 2026-08-05

<p>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.</p> <p>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 crafte

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ts-agent-fw-bypass-MYBTMrev?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Terminal%20Services%20Agent%20Firewall%20Rules%20Bypass%20Vulnerability%26vs_k=1