What is the CVSS score of CVE-2026-23813?

CVE-2026-23813 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-23813?

Within 24 hours: Inventory all AOS-CX switches in production; disable remote management access to affected devices or restrict to trusted administrative networks only; enable detailed logging on management interfaces. Within 7 days: Implement network segmentation to isolate switch management traffic; deploy monitoring/alerting for authentication bypass attempts; contact HPE Aruba for patch timeline. Within 30 days: Apply vendor patch immediately upon release; rotate all administrative credentials; conduct forensic review for unauthorized access attempts.

CVE-2026-23813

CRITICAL

Improper Authentication (CWE-287)

2026-03-11 security-alert@hpe.com

Authentication Bypass

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 11, 2026 - 04:17 nvd

CRITICAL 9.8

DescriptionCVE.org

A vulnerability has been identified in the web-based management interface of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. In some cases this could enable resetting the admin password.