Full Report
HPE security advisory (AV26-543)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in HPE Telco NFV Orchestrator and ArubaOS-CX
## CVE Details
*Note: The primary CVE highlighted is the OpenSSH bypass; the Telco NFV advisory references "Multiple Vulnerabilities" for which individual IDs should be cross-referenced via the vendor portal.*
- **CVE ID:** CVE-2024-39894 (and others)
- **CVSS Score:** Critical (Exact base score varies by component; Telco NFV vulnerabilities often reach 9.8)
- **CWE:** CWE-200 (Information Exposure), CWE-287 (Improper Authentication - common in NFV advisories)
## Affected Systems
- **Products:**
- HPE Telco Network Function Virtualization (NFV) Orchestrator
- HPE Aruba Networking ArubaOS-CX Switches
- **Versions:**
- NFV Orchestrator: Version 7.6.0 and prior
- ArubaOS-CX: 10.16.1000 and prior
- ArubaOS-CX: 10.15.0005 and prior
- ArubaOS-CX: 10.13.1080 and prior
- **Configurations:** Systems utilizing OpenSSH for remote management or NFV orchestration environments with default or unpatched service configurations.
## Vulnerability Description
This advisory covers two primary security issues:
1. **ArubaOS-CX (OpenSSH Keystroke Obfuscation Bypass):** A flaw in the OpenSSH implementation where the keystroke obfuscation mechanism (designed to prevent traffic analysis) can be bypassed. This leads to potential information leakage regarding the timing and nature of encrypted administrative sessions.
2. **HPE Telco NFV Orchestrator:** Multiple undisclosed vulnerabilities that could allow for unauthorized access or administrative compromise of the virtualization orchestration layer.
## Exploitation
- **Status:** Not exploited (No active exploitation in the wild reported at time of advisory).
- **Complexity:** Medium (Keystroke analysis requires active monitoring); Low (For NFV vulnerabilities depending on specific flaw).
- **Attack Vector:** Network.
## Impact
- **Confidentiality:** High (Potential exposure of sensitive administrative keystrokes and orchestration data).
- **Integrity:** High (Risk of unauthorized configuration changes in NFV environments).
- **Availability:** High (Potential for service disruption via orchestration compromise).
## Remediation
### Patches
HPE recommends upgrading to the following versions or later:
- **HPE Telco NFV Orchestrator:** Refer to HPE Support portal for the specific maintenance release following v7.6.0.
- **ArubaOS-CX:**
- Upgrade to version 10.16.1010 (or higher)
- Upgrade to version 10.15.0010 (or higher)
- Upgrade to version 10.13.1090 (or higher)
### Workarounds
- **SSH Restrictions:** Limit SSH access to ArubaOS-CX management interfaces to trusted internal management networks/VLANs only.
- **NFV Security:** Implement strict firewalling and access control lists (ACLs) to isolate the Telco NFV Orchestrator management plane.
## Detection
- **Indicators of Compromise:** Unusual administrative logins or configuration changes not reflected in change management logs.
- **Detection Methods and Tools:**
- Monitor network traffic for SSH anomalies.
- Audit Orchestrator logs for unauthorized API calls or credential stuffing attempts.
- Use Vulnerability Scanners (Nessus/Qualys) updated with June 2026 plugins.
## References
- **Vendor Advisories:**
- hxxps[://]support[.]hpe[.]com/hpesc/public/docDisplay?docId=hpesbnw05062en_us
- hxxps[://]support[.]hpe[.]com/hpesc/public/docDisplay?docId=hpesbnw05060en_us
- **General Information:**
- hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/hpe-security-advisory-av26-543