Full Report
Hewlett Packard Enterprise (HPE) has patched multiple security vulnerabilities in the Aruba Networking AOS-CX operating system, including several authentication and code execution issues. [...]
Analysis Summary
# Vulnerability: Aruba Networking AOS-CX Critical Authentication Bypass
## CVE Details
- **CVE ID:** CVE-2026-23813
- **CVSS Score:** 9.8 (Critical) - *Score estimated based on vendor description of unauthenticated remote access and low complexity.*
- **CWE:** CWE-287 (Improper Authentication)
## Affected Systems
- **Products:** HPE Aruba Networking CX-series campus and data center switches.
- **Versions:** All AOS-CX versions prior to the released patches.
- **Configurations:** Systems with the web-based management interface (HTTP/HTTPS) enabled and accessible.
## Vulnerability Description
A critical vulnerability exists in the web-based management interface of the AOS-CX operating system. The flaw allows an unauthenticated remote actor to bypass existing authentication controls. In specific scenarios, this bypass can be leveraged to reset the administrator password, granting the attacker full control over the switch management plane.
## Exploitation
- **Status:** Not exploited (No evidence of exploitation in the wild at the time of the advisory).
- **Complexity:** Low
- **Attack Vector:** Network (Remote)
- **PoC Availability:** None (No public discussion or exploit code currently available).
## Impact
- **Confidentiality:** High (Full access to device configuration and management).
- **Integrity:** High (Ability to reset admin passwords and modify network configurations).
- **Availability:** High (Potential for device lockout or service disruption).
## Remediation
### Patches
HPE has released security updates for AOS-CX. High-priority patches include:
- AOS-CX updates for affected CX-series switches (Refer to the HPE Support portal for specific branch versions: 10.x, 10.10.x, 10.11.x, etc.).
### Workarounds
If immediate patching is not feasible, implement the following:
- **Interface Isolation:** Move all management interfaces to a dedicated Layer 2 segment or OOB (Out-of-Band) Management VLAN.
- **Access Control:** Implement Layer 3 policies to restrict management interface access to authorized/trusted hosts only.
- **Disable Services:** Disable HTTP/HTTPS interfaces on Switched Virtual Interfaces (SVIs) and routed ports where management access is not essential.
- **Control Plane ACLs:** Enforce ACLs specifically targeting REST/HTTP management traffic.
## Detection
- **Indicators of Compromise:** Monitor for unauthorized password reset events in system logs.
- **Detection Methods:**
- Audit management logs for connections from unexpected or untrusted IP addresses.
- Enable comprehensive accounting and monitoring of all management interface activities to identify credential manipulation.
## References
- **Vendor Advisory:** hxxps[://]support[.]hpe[.]com/hpesc/public/docDisplay?docId=hpesbnw05027en_us&docLocale=en_US
- **BleepingComputer Report:** hxxps[://]www[.]bleepingcomputer[.]com/news/security/hpe-warns-of-critical-aos-cx-flaw-allowing-admin-password-resets/