CVE-2021-37733

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-09-07 · updated 2026-06-17
Weakness: CWE-22

Description

A remote path traversal 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 8.7.1.1, 8.6.0.7, 8.5.0.11, 8.3.0.16. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

Affected products

Hewlett Packard Enterprise (HPE) ArubaOS (AOS): from 8.3.0.0 before 8.3.0.16; from 8.5.0.0 before 8.5.0.11; from 8.6.0.0 before 8.6.0.7; from 8.7.0.0 before 8.7.1.1 — fixed in 8.3.0.16, 8.5.0.11, 8.6.0.7, 8.7.1.1
Arubanetworks Sd-Wan: from 2.2.0.0 before 2.2.0.4 — fixed in 2.2.0.4
Siemens Scalance W1750D Firmware: before 8.7.1.3 — fixed in 8.7.1.3

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) ArubaOS (AOS) 8.3.0.16, 8.5.0.11, 8.6.0.7, 8.7.1.1; Arubanetworks Sd-Wan 2.2.0.4; Siemens Scalance W1750D Firmware 8.7.1.3. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2021-37733 or the next vulnerability affects your stack