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Cisco Integrated Management Controller Authentication Bypass Vulnerability

criticalCVE-2026-20093
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-auth-bypass-AgG2BxTn Security Impact Rating: Critical CVE: CVE-2026-20093

CSIRTS triage

What
A vulnerability allows an unauthenticated attacker to bypass authentication and gain admin access.
Who is affected
Deployments of Cisco Integrated Management Controller with the affected functionality.
Urgency
Remediation is urgent due to the critical nature of the vulnerability and potential for unauthorized access.
Action
Apply the software updates released by Cisco to address this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Cisco Security Advisories (INTL · vendor-psirt · site)
Severity
critical
Published
2026-04-01
Exploitation
Not in CISA KEV at last sync

Original advisory: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-auth-bypass-AgG2BxTn?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Integrated%20Management%20Controller%20Authentication%20Bypass%20Vulnerability%26vs_k=1

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-20093coverage & exploitation statusNVD · CVE.org

Recent advisories for Cisco Integrated Management

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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