Exploit for Improper Authentication in Cisco Catalyst_Sd-Wan_Manager

CVE-2026-20182 Cisco Catalyst SD-WAN Peering Authentication By...

Vulnerabilities found in Cisco Catalyst SD-WAN Controllers and Managers

Cisco has identified vulnerabilities in the Catalyst SD-WAN Controller and Manager products. Cisco has uncovered four vulnerabilities in these products. These vulnerabilities involve XXE injection, privilege escalation, and authentication bypass. The authentication bypass vulnerability resides in...

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...

CVE-2026-20182 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

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...

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...

VulnCheck KEV: CVE-2026-20182

Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system...

PT-2026-40959

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Controller affected versions not specified Cisco Catalyst SD-WAN Manager affected versions not specified Cisco Catalyst SD-WAN Validator affected versions not specified Description A flaw in the peering authentication...

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...

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...

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-2026-20127

CVE-2026-20127 concerns a vulnerability in the peering authentication of Cisco Catalyst SD-WAN Controller (formerly SD-WAN vSmart) and Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage). The flaw allows an unauthenticated, remote attacker to bypass authentication and obtain administrative pr...

CVE-2026-20127 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

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 a...

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-2026-20127: Improper Authentication

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 a...

PT-2026-21954

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Controller affected versions not specified Cisco Catalyst SD-WAN Manager affected versions not specified Cisco Catalyst SD-WAN Validator affected versions not specified Description A flaw in the peering authentication...