CVE-2026-20128

Description

A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This vulnerability is due to the presence of a credential file for the DCA user on an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request and reading the file that contains the DCA password from that affected system. A successful exploit could allow the attacker to access another affected system and gain DCA user privileges. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability.

Affected Products

• ▸Catalyst SD WAN Manager < 20.9.8.2
• ▸Catalyst SD WAN Manager < 20.12.5.3
• ▸Catalyst SD WAN Manager < 20.15.4.2
• ▸Catalyst SD WAN Manager < 20.18

CVSS Vector