CVE-2026-20210

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 reda...

CVE-2026-20209 Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability

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...

EUVD-2026-30327

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...

CVE-2026-20209 Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability

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...

CVE-2026-20209

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...

CVE-2026-20209

Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage) web UI vulnerability allows an authenticated, read-only user to elevate to a high-privilege role and take actions as a high-privileged user. Root cause: sensitive session information is logged in audit logs. Impact: privilege escalation with...

EUVD-2026-30324

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...

CVE-2026-20182

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...

CVE-2026-20182

Cisco Catalyst SD-WAN Controller (vSmart) and SD-WAN Manager (vManage) are affected by CVE-2026-20182, a critical authentication bypass in the DTLS vdaemon challenge flow. The issue permits a remote, unauthenticated attacker to masquerade as a trusted peer by sending a CHALLENGE_ACK with device t...

Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities

Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage. Successful exploitation of CVE-2026-20182 allows an unauthenticated,...

The Dark Side of Efficiency: When Network Controllers Become "God Mode" for Attackers

Imagine you build a massive corporate campus with every security control money can buy. Blast resistant doors. Biometric scanners. Guards at every entrance. Maybe something similar to the infamous Death Star. On paper, it looks fantastic. Then, somewhere along the way, somebody decides the...

CVE-2026-20182: Critical authentication bypass in Cisco Catalyst SD-WAN Controller (FIXED)

Overview While researching a critical authentication bypass vulnerability, CVE-2026-20127, which was exploited in-the-wild, Rapid7 Labs discovered a new authentication bypass vulnerability affecting Cisco Catalyst SD-WAN Controller formerly known as vSmart, CVE-2026-20182. This new authentication...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-20182link is external Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability This type of vulnerability is a frequent attack vector for malicio...

Cisco Catalyst SD-WAN Manager 输入验证错误漏洞

Cisco Catalyst SD-WAN Manager is a highly customizable dashboard provided by the American company Cisco. It simplifies and automates the deployment, configuration, management, and operation of Cisco SD-WAN. There is an input validation vulnerability in Cisco Catalyst SD-WAN Manager, which stems...

VulnCheck KEV: CVE-2026-20182

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...

Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage） 安全漏洞

Cisco Catalyst SD-WAN Manager is a highly customizable dashboard provided by Cisco. It simplifies and automates the deployment, configuration, management, and operation of Cisco SD-WAN. There is a security vulnerability present in Cisco Catalyst SD-WAN Manager. This vulnerability stems from the...

Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage） 安全漏洞

Cisco Catalyst SD-WAN Manager Cisco SD-WAN vManage is a highly customizable dashboard provided by the American company Cisco. It simplifies and automates the deployment, configuration, management, and operation of Cisco SD-WAN. There is a security vulnerability present in Cisco Catalyst SD-WAN...

Cisco Catalyst SD-WAN Manager和Cisco Catalyst SD-WAN Controller 授权问题漏洞

Cisco Catalyst SD-WAN Manager Cisco SD-WAN vManage and Cisco Catalyst SD-WAN Controller are both products of the American company Cisco. Cisco Catalyst SD-WAN Manager is a highly customizable dashboard that can simplify and automate the deployment, configuration, management, and operation of Cisc...

Kwetsbaarheid verholpen in Cisco Crosswork Network Controller

Cisco has identified a vulnerability in the Cisco Crosswork Network Controller. This vulnerability involves a denial-of-service attack that can be exploited by unauthorized external attackers. The attack involves overwhelming the system with a large number of connection requests, causing services...

Cisco Prime Infrastructure Information Disclosure (cisco-sa-pi-unauth-infodiscl-LFnLgmey)

The version of Cisco Prime Infrastructure installed on the remote host is prior to Migrate to a fixed release.. It is, therefore, affected by a vulnerability as referenced in the cisco-sa-pi-unauth-infodiscl-LFnLgmey advisory. - A vulnerability in the log file download functionality of Cisco Prim...