Cisco Integrated Management Controller Authentication Bypass Vulnerability
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
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.
- Low exploitation riskCVE-2026-200930.99% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-20093 | coverage & exploitation status | NVD · 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.
- mediumCisco Integrated Management Controller Cross-Site Scripting Vulnerabilitiescisco-psirt · 2026-04-22
- highCisco Integrated Management Controller Command Injection and Remote Code Execution Vulnerabilitiescisco-psirt · 2026-04-22
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