EUVD-2026-69640
GHSA-r9g6-3g57-j9rr
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Network-accessible API, no privileges required per description; AC:H retained as HPE signals non-trivial exploitation conditions not publicly specified.
Primary rating from Vendor (hpe).
CVSS VectorVendor: hpe
Lifecycle Timeline
3DescriptionCVE.org
Vulnerabilities have been identified in the API endpoint of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls.
AnalysisAI
Authentication bypass in HPE AOS-CX network switch API endpoints allows unauthenticated remote actors to circumvent existing access controls with high attack complexity. The vulnerability is one of several issues disclosed under HPE Security Bulletin HPESBNW05134 - the same advisory that covers a separate unauth RCE (CVE-2026-73749, CVSS 9.8) and an authenticated command injection (CVE-2026-73766, CVSS 7.2) in AOS-CX. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Network-level access to the AOS-CX REST API endpoint is required - this is typically the management interface (out-of-band port or in-band management VLAN). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.1 with AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H positions this as high severity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the patched AOS-CX firmware version specified in HPE Security Bulletin HPESBNW05134 (https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all HPE AOS-CX switches in your environment and identify those accessible from untrusted networks or the internet; review switch authentication and API logs for suspicious activity or failed access attempts. …
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Unauthenticated command injection (CWE-77) in an HPE AOS-CX management component allows an adjacent-network attacker to
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AOS-CX lacks Anti-CSRF protections in place for state-changing operations. Rated high severity (CVSS 8.8), this vulnerab
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today