CVE-2019-5317

Command-line access via physical authentication bypass

Published Mar 29, 2021 · Updated Aug 4, 2024

Authentication bypass in Aruba Instant allows physically proximate attackers to gain command-line access through an affected access point. HPE has not disclosed the authentication component or the incorrect operation that permits the bypass. Physical access to the device is required, and successful exploitation compromises the access point at the command-line interface level.

CVSS severity6.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authentication bypass in Aruba Instant allows physically proximate attackers to gain command-line access through an affected access point. HPE has not disclosed the authentication component or the incorrect operation that permits the bypass. Physical access to the device is required, and successful exploitation compromises the access point at the command-line interface level.

The record

CVE
CVE-2019-5317
Published
Mar 29, 2021
Updated
Aug 4, 2024
Vendor
Hewlett Packard Enterprise (HPE)
Product
Aruba Instant
Classifications
CWE-287
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 29, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Aruba Instant 6.4.x: 6.4.4.8-4.2.4.18 and below
  2. Affected versionversion=Aruba Instant 6.5.x: 6.5.4.15 and below
  3. Affected versionversion=Aruba Instant 8.3.x: 8.3.0.11 and below
  4. Affected versionversion=Aruba Instant 8.4.x: 8.4.0.5 and below
  5. Affected versionversion=Aruba Instant 8.5.x: 8.5.0.6 and below
  6. Affected versionversion=Aruba Instant 8.6.x: 8.6.0.2 and below

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Hewlett Packard Enterprise (HPE) · Aruba Instantversion=Aruba Instant 6.4.x: 6.4.4.8-4.2.4.18 and below; version=Aruba Instant 6.5.x: 6.5.4.15 and below; version=Aruba Instant 8.3.x: 8.3.0.11 and below; version=Aruba Instant 8.4.x: 8.4.0.5 and below; version=Aruba Instant 8.5.x: 8.5.0.6 and below; version=Aruba Instant 8.6.x: 8.6.0.2 and below

Published CVSS scores

6.8NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
6.8Hewlett Packard EnterpriseCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo