CVE-2023-22787: Unauthenticated Denial of Service (DoS) in Aruba InstantOS or ArubaOS 10 Service Accessed via the PAPI Protocol

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-08 · updated 2026-06-17

Description

An unauthenticated Denial of Service (DoS) vulnerability exists in a service accessed via the PAPI protocol provided by Aruba InstantOS and ArubaOS 10. Successful exploitation of this vulnerability results in the ability to interrupt the normal operation of the affected access point.

Affected products

Hewlett Packard Enterprise (HPE) ArubaOS (AOS): from 10.3.0.0 through 10.3.1.0
Hewlett Packard Enterprise (HPE) HPE Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10: from 6.4.0.0 through 6.4.4.8-4.2.4.20; from 6.5.0.0 through 6.5.4.23; from 8.4.0.0 before 8.6.0.0; from 8.6.0.0 through 8.6.0.19; from 8.7.0.0 through 8.9.0.0; from 8.10.0.0 through 8.10.0.4 — fixed in 8.6.0.0

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) HPE Aruba Networking InstantOS and Aruba Access Points running ArubaOS 10 8.6.0.0. Check the vendor advisory for mitigations.

References

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