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-2026-20224 [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-2026-20209 [MEDIUM] CWE-779 CVE-2026-20209: 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 with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive session information is recorded in audit logs. An at

CVE-2026-20210 [MEDIUM] CWE-779 CVE-2026-20210: 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 with read-only permissions to modify configurations and perform unauthorized actions on an affected system. This vulnerability exists because of a failure to redact sensitive information within device configurations

CVE-2026-20108 [MEDIUM] CWE-79 CVE-2026-20108: A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow a A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by p

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, 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 system. This vulnerability exists because the peering au

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-2026-20126 [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-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-2026-20128 [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-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-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-2025-20213 [MEDIUM] CWE-78 CVE-2025-20213: 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 overwrite arbitrary files on the local file system of an affected device. To exploit this vulnerability, the attacker must have valid read-only credentials with CLI access on the affected system. This vulnerabil

CVE-2025-20157 [MEDIUM] CWE-295 CVE-2025-20157: A vulnerability in certificate validation processing of Cisco Catalyst SD-WAN Manager, formerly Cisc A vulnerability in certificate validation processing of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper validation of certificates that are used by the Smart Licensing feature. An attacker with a privileged ne

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-2025-20216 [MEDIUM] CWE-74 CVE-2025-20216: A vulnerability in the web interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage A vulnerability in the web interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to inject HTML into the browser of an authenticated user. This vulnerability is due to improper sanitization of input to the web interface. An attacker could exploit this vulnerability by convincing an

CVE-2025-20147 [MEDIUM] CWE-79 CVE-2025-20147: A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly Cis A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to conduct a stored cross-site scripting attack (XSS) on an affected system. This vulnerability is due to improper sanitization of user input to the web-based management interface. An at

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-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-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