Critical 9.8Published Apr 1, 2026

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

Updated under an hour ago (Oct 27, 2026, 2:50 PM ET)

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It affects Cisco Enterprise NFV Infrastructure Software and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisco
NVD analysis: Awaiting Analysis
Record last updated: Apr 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cisco Cisco Enterprise NFV Infrastructure Software cisco:enterprise_nfv_infrastructure_software (from the name)	4.1.1; 3.9.1; 3.5.2; 3.12.2; 3.6.2; 3.9.2; 3.11.3; 3.11.1; and 61 more ranges	CNA record
Cisco Cisco Unified Computing System (Standalone) cisco:unified_computing_system_standalone (from the name)	4.0(2g); 3.1(2i); 3.1(1d); 4.0(4i); 4.1(1c); 4.0(2c); 4.0(1e); 4.0(2h); and 133 more ranges	CNA record
Cisco Cisco Unified Computing System E-Series Software (UCSE) cisco:unified_computing_system_e_series_software_ucse (from the name)	3.2.7; 3.2.6; 3.2.4; 3.2.10; 3.2.2; 3.2.3; 2.4.0; 3.2.1; and 34 more ranges	CNA record

References

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-auth-bypass-AgG2BxTn

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.