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HPE AOS-CX CVE-2026-73779

| EUVDEUVD-2026-69642 HIGH
Improper Privilege Management (CWE-269)
2026-09-01 hpe GHSA-2v84-vgfw-7mjr
8.2
CVSS 3.1 · Vendor: hpe
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Severity by source

Vendor (hpe) PRIMARY
8.2 HIGH
AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
vuln.today AI
8.2 HIGH

AV:A reflects management-plane adjacency requirement; AC:H reflects undisclosed specific bypass conditions; PR:N as authentication is bypassed; S:C for cross-switch/network impact.

3.1 AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
4.0 AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

3
Metadata Corrected
Sep 01, 2026 - 21:40 vuln.today
tag: Information Disclosure replaced by Authentication Bypass
Analysis Generated
Sep 01, 2026 - 21:13 vuln.today
CVE Published
Sep 01, 2026 - 20:28 cve.org
HIGH 8.2

DescriptionCVE.org

Vulnerabilities have been identified in the operating system of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. Successful exploitation could compromise system integrity and further expose sensitive information.

AnalysisAI

Authentication bypass in HPE AOS-CX switch operating system allows an adjacent unauthenticated attacker, under high-complexity conditions, to circumvent authentication controls and achieve both integrity compromise and sensitive information exposure. The scope change in the CVSS vector (S:C) indicates successful exploitation can extend impact beyond the directly targeted switch - relevant in networked environments where a compromised switch becomes a pivot point. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
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Persist
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires network adjacency (layer-2 or same broadcast domain) to the AOS-CX switch management plane - direct internet exploitation is not possible given AV:A. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.2 score reflects genuine severity: unauthenticated exploitation (PR:N) with no user interaction (UI:N) and a scope change (S:C) producing high confidentiality and integrity impacts. … 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 Consult HPE security bulletin HPESBNW05134en_us at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US for patched AOS-CX firmware versions and upgrade instructions. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: inventory all HPE AOS-CX deployments and restrict switch management interface access to authorized networks only via ACLs and network segmentation; audit recent access and authentication logs for suspicious activity. …

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CVE-2026-73779 vulnerability details – vuln.today

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