CVE-2021-37727: Arubanetworks Aruba Instant

High severity, CVSS 7.2. EPSS: 3.1% chance of exploitation in the next 30 days.

A remote arbitrary command execution vulnerability was discovered in HPE Aruba Instant (IAP) version(s): 6.4.x.x: 6.4.4.8-4.2.4.18 and below; Aruba Instant 6.5.x.x: 6.5.4.20 and below; Aruba Instant 8.5.x.x: 8.5.0.12 and below; Aruba Instant 8.6.x.x: 8.6.0.11 and below; Aruba Instant 8.7.x.x: 8.7.1.3 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

Affected products

• Arubanetworks Aruba Instant: from 6.4.0.2-4.1.0.0, before 6.4.4.8-4.2.4.19 (fixed in 6.4.4.8-4.2.4.19); from 6.5.4.0, before 6.5.4.20 (fixed in 6.5.4.20); from 8.5.0.0, before 8.5.0.12 (fixed in 8.5.0.12); from 8.6.0.0, before 8.6.0.11 (fixed in 8.6.0.11); from 8.7.0.0, before 8.7.1.3 (fixed in 8.7.1.3)
• Siemens Scalance w1750d Firmware: from 8.7.1.3

Published 2021-10-12. Last modified 2026-06-17.