CVE-2021-37731

Name: CVE-2021-37731
Creator: NVD / NIST
Published: 2021-09-07T13:15:08.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.2/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2021-37731 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. A local path traversal vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.0-2.2.0.4; Prior to 8.7.1.1, 8.6.0.7, 8.5.0.12, 8.3.0.16. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

A local path traversal vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.0-2.2.0.4; Prior to 8.7.1.1, 8.6.0.7, 8.5.0.12, 8.3.0.16. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

Metrics

CVSS 3.1

6.2/10

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

EPSS Probability

0.32%

23.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Arubanetworks	Sd-Wan	>= 2.2.0.0, < 2.2.0.4
Arubanetworks	Arubaos	>= 8.3.0.0, < 8.3.0.15
Arubanetworks	Arubaos	>= 8.5.0.0, < 8.5.0.12
Arubanetworks	Arubaos	>= 8.6.0.0, < 8.6.0.8
Arubanetworks	Arubaos	>= 8.7.0.0, < 8.7.1.2
Siemens	Scalance W1750d Firmware	< 8.7.1.3

References

https://cert-portal.siemens.com/productcert/pdf/ssa-280624.pdfPatch, Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-016.txtVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-280624.pdfPatch, Third Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-016.txtVendor Advisory

Timeline

Published: Sep 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37731?

How severe is CVE-2021-37731?

CVE-2021-37731 has a CVSS score of 6.2/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37731?

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-2021-37731?

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

Scan your code now

Source: NVD / NIST