CVE-2026-20093 CRITICAL

CVE-2026-20093: Cisco Integrated Management Controller Authentication Bypass Vulnerability

Vendor Cisco
Product Cisco Enterprise NFV Infrastructure Software
Weakness CWE-20 · Input validation
Published April 1, 2026
Last update April 2, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the change password functionality of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin. This vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to bypass authentication, alter the passwords of any user on the system, including an Admin user, and gain access to the system as that user.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 2, 2026 Record updated