Executive Risk Summary
"A vulnerability in the Data Collection Agent feature of Cisco Catalyst SD-WAN Manager could allow an authenticated, local 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, which can be exploited by accessing the filesystem as a low-privileged user."
Operational Audit Arsenal
Target Type Firmware
Target Asset Cisco Catalyst SD-WAN Manager
Standard Path https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v
Manual Verification Required
This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.
Patch Impact Forecast
Reboot Required Likely
Potential disruption to SD-WAN services during upgrade
Internal Work Notes
CVE-2026-20128: Vulnerability in Cisco Catalyst SD-WAN Manager's Data Collection Agent feature, allowing local attackers to gain DCA user privileges. Upgrade to Cisco Catalyst SD-WAN Manager releases 20.18 or later to mitigate.
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Intelligence Sources
Related Cisco Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.