Critical severity · published Apr 1, 2026
CVE-2026-20093
Cisco Integrated Management Controller Authentication Bypass Vulnerability
9.8
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CE
Cisco Enterprise NFV Infrastructure Software · Cisco
4.1.1; 3.9.1; 3.5.2; 3.12.2; 3.6.2; 3.9.2; +34 more · source: vendor
CU
Cisco Unified Computing System (Standalone) · Cisco
4.0(2g); 3.1(2i); 3.1(1d); 4.0(4i); 4.1(1c); 4.0(2c); +34 more · source: vendor
CU
Cisco Unified Computing System E-Series Software (UCSE) · Cisco
3.2.7; 3.2.6; 3.2.4; 3.2.10; 3.2.2; 3.2.3; +34 more · source: vendor
In the news
VulnerabilityCritical
Cisco IMC auth bypass vulnerability allows attackers to alter user passwords (CVE-2026-20093)
Cisco has fixed ten vulnerabilities affecting its Integrated Management Controller (IMC), the most critical of which (CVE-2026-20093) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin. Cisco ICM riddled with vulnerabilities Cisco Integrated Management Controller is a built-in hardware management system used in Cisco servers. It allows administrators to remotely control, monitor, and troubleshoot a server, even if the operating system isn’t running. (That’s because Cisco IMC … More → The post Cisco IMC auth bypass vulnerability allows attackers to alter user passwords (CVE-2026-20093) appeared first on Help Net Security .
Apr 3, 2026·Help Net Security
VulnerabilityCritical
Cisco fixed critical and high-severity flaws
Cisco fixed critical flaws that could allow attackers to bypass authentication, run code, and gain access to sensitive data. Cisco released patches for two critical and six high-severity vulnerabilities. These flaws could let attackers bypass authentication, execute malicious code, escalate privileges, and access sensitive information. One of these critical flaws is CVE-2026-20093 (CVSS score of […]
Apr 2, 2026·Security Affairs
VulnerabilityCritical
Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise
Cisco has released updates to address a critical security flaw in the Integrated Management Controller (IMC) that, if successfully exploited, could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system with elevated privileges. The vulnerability, tracked as CVE-2026-20093, carries a CVSS score of 9.8 out of a maximum of 10.0. "This
Apr 2, 2026·The Hacker News
Affected product
CE
Cisco Enterprise NFV Infrastructure Software
Cisco
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