Cisco Catalyst Sd-Wan Manager vulnerabilities

CVE-2026-20182 [CRITICAL] CWE-287 CVE-2026-20182: May 2026: This security advisory provides the details and fix information for a vulnerability that w May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show Control Connections guidance to help with system checks.

CVE-2026-20127 [CRITICAL] CWE-287 CVE-2026-20127: A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN v A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected s

CVE-2026-20122 [MEDIUM] CWE-648 CVE-2026-20122: A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote att 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 vulnerability is due to improper file handling on the API inte

CVE-2026-20262 [MEDIUM] CWE-22 CVE-2026-20262: A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system. This vulnerability exists because the affected software does not properly validate user-supplied input during a file upload process. An

CVE-2026-20133 [HIGH] CWE-200 CVE-2026-20133: A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to 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 vulnerability by accessing the vshell of an affected system. A s

CVE-2026-20245 [HIGH] CWE-116 CVE-2026-20245: A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Cataly A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system. This vulnerab

CVE-2022-20775 [HIGH] CWE-25 CVE-2022-20775: A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. This vulnerability is due to improper access controls on commands within the application CLI. An attacker could exploit this vulnerability by running a maliciously crafted command on the application CLI. A successful exploit cou

CVE-2026-20128 [HIGH] CWE-257 CVE-2026-20128: A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could al 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

CVE-2020-26073 [HIGH] CWE-35 CVE-2020-26073: A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of directory traversal character sequences within requests to application programmatic interfaces (APIs). An attacker could exploit thi

CVE-2026-20129 [CRITICAL] CWE-287 CVE-2026-20129: A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unaut 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

CVE-2026-20224 [HIGH] CWE-20 CVE-2026-20224: A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsi

CVE-2022-20655 [HIGH] CWE-78 CVE-2022-20655: A vulnerability in the implementation of the CLI on a device that is running ConfD could allow an au A vulnerability in the implementation of the CLI on a device that is running ConfD could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient validation of a process argument on an affected device. An attacker could exploit this vulnerability by injecting commands during the execution of

CVE-2026-20126 [HIGH] CWE-648 CVE-2026-20126: A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with l 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 vulnerability by sending a request to the REST API of t

CVE-2020-26071 [HIGH] CWE-22 CVE-2020-26071: A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacke A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by includi

CVE-2025-20122 [HIGH] CWE-300 CVE-2025-20122: A vulnerability in the CLI of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could al A vulnerability in the CLI of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, local attacker to gain privileges of the root user on the underlying operating system. This vulnerability is due to insufficient input validation. An authenticated attacker with read-only privileges on the SD-WAN Manager system co

CVE-2020-26074 [HIGH] CWE-250 CVE-2020-26074: A vulnerability in system file transfer functions of Cisco SD-WAN vManage Software could allow A vulnerability in system file transfer functions of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to gain escalated privileges on the underlying operating system. The vulnerability is due to improper validation of path input to the system file transfer functions. An attacker could exploit this vulnerability by sending requ

CVE-2025-20187 [MEDIUM] CWE-22 CVE-2025-20187: A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco S A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system. This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious reques

CVE-2021-1491 [MEDIUM] CWE-59 CVE-2021-1491: A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could al A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the

CVE-2020-26066 [MEDIUM] CWE-611 CVE-2020-26066: A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, re A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability

CVE-2021-1232 [MEDIUM] CWE-522 CVE-2021-1232: A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could al A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying filesystem of an affected system. This vulnerability is due to insufficient access control for sensitive information that is written to an affected system. An attacker could expl