The vulnerability of the Data Collection Agent service in the Cisco Catalyst SD-WAN Manager centralized network management system allows a malicious actor to gain unauthorized access to protected information and enhance their privileges.

The vulnerability of the Data Collection Agent service in the Cisco Catalyst SD-WAN Manager centralized network management system is related to the storage of passwords in a recoverable format. Exploiting this vulnerability could allow an attacker to gain unauthorized access to protected...

The vulnerability of the Data Collection Agent service in the Cisco Catalyst SD-WAN Manager centralized network management system allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the Data Collection Agent service in the Cisco Catalyst SD-WAN Manager centralized network management system is related to errors when privileged application programming interfaces APIs are used. Exploiting this vulnerability could allow a malicious actor to gain unauthorized...

CVE-2026-20122

A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This...

CVE-2026-20133

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this...

CVE-2026-20128

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...

CVE-2026-20129

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...

CVE-2026-20126

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this...

Cisco SD-WAN Zero-Day CVE-2026-20127 Exploited Since 2023 for Admin Access

A newly disclosed maximum-severity security flaw in Cisco Catalyst SD-WAN Controller formerly vSmart and Catalyst SD-WAN Manager formerly vManage has come under active exploitation in the wild as part of malicious activity that dates back to 2023. The vulnerability, tracked as CVE-2026-20127 CVSS...

Cisco Catalyst SD-WAN Manager < 20.18 Multiple Vulnerabilities (cisco-sa-sdwan-authbp-qwCX8D4v)

According to its self-reported version, Cisco Catalyst SD-WAN Manager is affected by multiple vulnerabilities: - A vulnerability could allow an unauthenticated, remote attacker to bypass authentication mechanisms and gain unauthorized access to the system. CVE-2026-20129 - A vulnerability could...

EUVD-2026-8675

A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected syste...

EUVD-2026-8676

A vulnerability in the Data Collection Agent DCA feature of Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker to gain DCA user privileges on an affected system. To exploit this vulnerability, the attacker must have valid vmanage credentials on the affected system. This...

EUVD-2026-8698

Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only accessible through the local network. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200...

EUVD-2026-8678

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system access restrictions. An attacker could exploit this vulnerability by accessing the API of an...

EUVD-2026-8674

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this...

CVE-2026-27850

Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only accessible through the local network. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200...

CVE-2026-20128

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...

CVE-2026-20129

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...

CVE-2026-20133

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system access restrictions. An attacker could exploit this vulnerability by accessing the API of an...

CVE-2026-20127

A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected syste...

CVE-2026-20126

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this...