CVE-2026-20093
Cisco Integrated Management Controller Authentication Bypass Vulnerability
CRITICAL 9.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.99 % · percentile 62 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Awaiting Analysis
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.
Weaknesses (CWE)
- CWE-20 — Improper Input Validation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | cisco |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@cisco.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-17947
- GCVE · GCVE-0-2026-20093
CERT-FR advisories
- CERTFR-2026-AVI-0388 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Enterprise NFV Infrastructure Software | affected 4.1.1 ; affected 3.9.1 ; affected 3.5.2 ; affected 3.12.2 ; affected 3.6.2 ; affected 3.9.2 |
| Cisco · Cisco Unified Computing System (Standalone) | affected 4.0(2g) ; affected 3.1(2i) ; affected 3.1(1d) ; affected 4.0(4i) ; affected 4.1(1c) ; affected 4.0(2c) |
| Cisco · Cisco Unified Computing System E-Series Software (UCSE) | affected 3.2.7 ; affected 3.2.6 ; affected 3.2.4 ; affected 3.2.10 ; affected 3.2.2 ; affected 3.2.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |