CVE-2021-37716

Name: CVE-2021-37716
Creator: NVD / NIST
Published: 2021-09-07T13:15:07.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2021-37716 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote buffer overflow vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.15. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

A remote buffer overflow vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.2, 8.6.0.8, 8.5.0.12, 8.3.0.15. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

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

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

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, Vendor Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-016.txtVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-280624.pdfPatch, Vendor 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-2021-37716?

How severe is CVE-2021-37716?

CVE-2021-37716 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37716?

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-2021-37716?

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

Scan your code now

Source: NVD / NIST