CVE-2022-37891

Name: CVE-2022-37891
Creator: NVD / NIST
Published: 2022-10-07T18:15:21.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2022-37891 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management interface. Successful exploitation results in the execution of arbitrary commands on the underlying operating system of Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below; Aruba InstantOS 6.5.x: 6.5.4.23 and below; Aruba InstantOS 8.6.x: 8.6.0.18 and below; Aruba InstantOS 8.7.x: 8.7.1.9 and below; Aruba InstantOS 8.10.x: 8.10.0.1 and below; ArubaOS 10.3.x: 10.3.1.0 and below; Aruba has released upgrades for Aruba InnstantOS that address these security vulnerabilities.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

Description

Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management interface. Successful exploitation results in the execution of arbitrary commands on the underlying operating system of Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below; Aruba InstantOS 6.5.x: 6.5.4.23 and below; Aruba InstantOS 8.6.x: 8.6.0.18 and below; Aruba InstantOS 8.7.x: 8.7.1.9 and below; Aruba InstantOS 8.10.x: 8.10.0.1 and below; ArubaOS 10.3.x: 10.3.1.0 and below; Aruba has released upgrades for Aruba InnstantOS that address these security vulnerabilities.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.02%

59.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Arubanetworks	Arubaos	>= 10.3.0.0, < 10.3.1.1
Arubanetworks	Instant	>= 6.4.0.0, < 6.4.4.8-4.2.4.21
Arubanetworks	Instant	>= 6.5.0.0, < 6.5.4.24
Arubanetworks	Instant	>= 8.6.0.0, < 8.6.0.19
Arubanetworks	Instant	>= 8.7.0.0, < 8.7.1.10
Arubanetworks	Instant	>= 8.10.0.0, < 8.10.0.2
Siemens	Scalance W1750d Firmware	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-506569.pdfThird Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2022-014.txtVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-506569.pdfThird Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2022-014.txtVendor Advisory

Timeline

Published: Oct 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-37891?

How severe is CVE-2022-37891?

CVE-2022-37891 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37891?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37891?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST