CVE-2024-26303Network attack vector

Authenticated service interruption through undisclosed SSH flaw

Published Mar 26, 2024 · Updated Oct 31, 2024

Denial of service in the SSH daemon in HPE ArubaOS-Switch affected releases allows remote authenticated users to interrupt switch service. HPE identifies the SSH daemon as the locus but has not published the input, request path, or faulty operation that triggers the interruption. Exploitation requires high privileges over the network and affects availability without reported data disclosure or modification.

CVSS severity4.9
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the SSH daemon in HPE ArubaOS-Switch affected releases allows remote authenticated users to interrupt switch service. HPE identifies the SSH daemon as the locus but has not published the input, request path, or faulty operation that triggers the interruption. Exploitation requires high privileges over the network and affects availability without reported data disclosure or modification.

The record

CVE
CVE-2024-26303
Published
Mar 26, 2024
Updated
Oct 31, 2024
Vendor
Hewlett Packard Enterprise (HPE)
Product
ArubaOS-Switch
Classifications
T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 26, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 31, 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=ArubaOS-Switch 15.xx.xxxx: All versions
  2. Affected versionversion=ArubaOS-Switch 16.01.xxxx: All versions
  3. Affected versionversion=ArubaOS-Switch 16.02.xxxx: All versions
  4. Affected versionversion=ArubaOS-Switch 16.03.xxxx: All versions
  5. Affected versionversion=ArubaOS-Switch 16.04.xxxx: KA/RA.16.04.0027 and below
  6. Affected versionversion=ArubaOS-Switch 16.05.xxxx: All versions
  7. Affected versionversion=ArubaOS-Switch 16.06.xxxx: All versions
  8. Affected versionversion=ArubaOS-Switch 16.07.xxxx: All versions
  9. Affected versionversion=ArubaOS-Switch 16.08.xxxx: All versions.
  10. Affected versionversion=ArubaOS-Switch 16.09.xxxx: All versions.
  11. Affected versionversion=ArubaOS-Switch 16.10.xxxx: KB/WC/YA/YB/YC - All versions.
  12. Affected versionversion=ArubaOS-Switch 16.10.xxxx: WB.16.10.24 and below.
  13. Affected versionversion=ArubaOS-Switch 16.11.xxxx: KB/WC/YA/YB/YC.16.11.0015 and below

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Hewlett Packard Enterprise (HPE) · ArubaOS-Switchversion=ArubaOS-Switch 15.xx.xxxx: All versions; version=ArubaOS-Switch 16.01.xxxx: All versions; version=ArubaOS-Switch 16.02.xxxx: All versions; version=ArubaOS-Switch 16.03.xxxx: All versions; version=ArubaOS-Switch 16.04.xxxx: KA/RA.16.04.0027 and below; version=ArubaOS-Switch 16.05.xxxx: All versions; version=ArubaOS-Switch 16.06.xxxx: All versions; version=ArubaOS-Switch 16.07.xxxx: All versions; version=ArubaOS-Switch 16.08.xxxx: All versions.; version=ArubaOS-Switch 16.09.xxxx: All versions.; version=ArubaOS-Switch 16.10.xxxx: KB/WC/YA/YB/YC - All versions.; version=ArubaOS-Switch 16.10.xxxx: WB.16.10.24 and below.; version=ArubaOS-Switch 16.11.xxxx: KB/WC/YA/YB/YC.16.11.0015 and below

Published CVSS scores

4.9Hewlett Packard EnterpriseCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/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)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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