CVE-2026-20129
Cisco SD-WAN Catalyst Manager vulnerability analysis and mitigation

A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role.

The vulnerability is due to improper authentication for requests that are sent to the API. An attacker could exploit this vulnerability by sending a crafted request to the API of an affected system. A successful exploit could allow the attacker to execute commands with the privileges of the netadmin role. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability. 


SourceNVD

Related Cisco SD-WAN Catalyst Manager vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-20127CRITICAL10
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
YesYesFeb 25, 2026
CVE-2026-20129CRITICAL9.8
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoYesFeb 25, 2026
CVE-2026-20133HIGH7.5
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoYesFeb 25, 2026
CVE-2026-20128HIGH7.5
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoYesFeb 25, 2026
CVE-2026-20108MEDIUM5.4
  • Cisco SD-WAN Catalyst ManagerCisco SD-WAN Catalyst Manager
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager
NoNoMar 25, 2026

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