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HPE AOS-CX CVE-2026-73780

| EUVDEUVD-2026-69643 HIGH
Cross-Site Request Forgery (CSRF) (CWE-352)
2026-09-01 hpe GHSA-8gh4-xffv-m8cw
8.3
CVSS 3.1 · Vendor: hpe
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Vendor (hpe) PRIMARY
8.3 HIGH
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
vuln.today AI
8.3 HIGH

Network-delivered attack requires social engineering an authenticated admin (AC:H/UI:R); no attacker credentials needed; full C/I/A on switch via forged admin actions justifies S:C and H impacts.

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

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

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

Lifecycle Timeline

2
Analysis Generated
Sep 01, 2026 - 21:14 vuln.today
CVE Published
Sep 01, 2026 - 20:28 cve.org
HIGH 8.3

DescriptionCVE.org

A vulnerability in the web-based management interface of AOS-CX switches exposes some sessions to a lack of Cross-Site Request Forgery (CSRF) protection. This could allow a remote unauthenticated attacker to execute arbitrary input against the affected interface if the attacker can convince an authenticated user of the interface to interact with a specially crafted URL.

AnalysisAI

Cross-site request forgery exposure in HPE AOS-CX switch web management interface enables remote unauthenticated attackers to force arbitrary administrative actions against the switch by tricking an authenticated administrator into visiting a specially crafted URL. The vulnerability is partial - only "some sessions" within the management interface lack CSRF token enforcement, suggesting inconsistent protection coverage rather than a complete absence. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires two simultaneous conditions: an authenticated administrator must hold an active session in the AOS-CX web management interface, and that administrator must be convinced to visit and interact with a specially crafted attacker-controlled URL - typically delivered via phishing, watering-hole, or malicious advertisement. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.3 score is elevated by S:C scope change and full C:H/I:H/A:H impact, which accurately reflects the severity of arbitrary switch configuration compromise - an attacker who successfully forges requests could manipulate VLANs, disable port security, add rogue admin accounts, or disrupt network availability. … 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 AOS-CX firmware update identified in HPE Security Bulletin HPESBNW05134 at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US - exact fixed versions are not specified in the available CPE data and must be confirmed from the advisory. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Audit all HPE AOS-CX switches in production to identify affected versions; notify network administrators and escalation teams of the CSRF risk and instruct them to avoid clicking untrusted links in emails or messages containing management interface URLs. …

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CVE-2026-73780 vulnerability details – vuln.today

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