CVE-2021-37727: OS Command Injection

Published Oct 12, 2021

Updated

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 Software

9 affected components

Arubanetworks Aruba Instant>=6.4.0.2-4.1.0.0<6.4.4.8-4.2.4.19

Arubanetworks Aruba Instant>=6.5.4.0<6.5.4.20

Arubanetworks Aruba Instant>=8.5.0.0<8.5.0.12

Arubanetworks Aruba Instant>=8.6.0.0<8.6.0.11

Arubanetworks Aruba Instant>=8.7.0.0<8.7.1.3

Siemens Scalance W1750d Firmware>=8.7.1.3

Siemens SCALANCE W1750D

All of the following

Siemens Scalance W1750d Firmware>=8.7.1.3

Siemens SCALANCE W1750D

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade HPE Aruba Instant (IAP) to a version that resolves this vulnerability.
Fixed in 6.4.x.x: 6.4.4.8-4.2.4.18 and below
Upgrade
Upgrade Aruba Instant 6.5.x.x to a version that resolves this vulnerability.
Fixed in 6.5.4.20 and below
Upgrade
Upgrade Aruba Instant 8.5.x.x to a version that resolves this vulnerability.
Fixed in 8.5.0.12 and below
Upgrade
Upgrade Aruba Instant 8.6.x.x to a version that resolves this vulnerability.
Fixed in 8.6.0.11 and below
Upgrade
Upgrade Aruba Instant 8.7.x.x to a version that resolves this vulnerability.
Fixed in 8.7.1.3 and below

Event History

Oct 12, 2021

CVE Published

via MITRE·02:08 PM

Data Sourced

via MITRE·02:08 PM

DescriptionWeakness

Data Sourced

via NVD·03:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is CVE-2021-37727?

CVE-2021-37727 is a remote arbitrary command execution vulnerability discovered in HPE Aruba Instant (IAP) versions 6.4.4.8-4.2.4.18 and below; 6.5.4.20 and below; 8.5.0.12 and below; 8.6.0.11 and below; and 8.7.1.3 and below.

How severe is CVE-2021-37727?

CVE-2021-37727 has a severity rating of 7.2 (Critical).

Which software versions are affected by CVE-2021-37727?

CVE-2021-37727 affects HPE Aruba Instant (IAP) versions 6.4.4.8-4.2.4.18 and below; 6.5.4.20 and below; 8.5.0.12 and below; 8.6.0.11 and below; and 8.7.1.3 and below.

How can I fix CVE-2021-37727?

To fix CVE-2021-37727, upgrade to a version that is above the affected versions mentioned in the advisory.

Where can I find more information about CVE-2021-37727?

More information about CVE-2021-37727 can be found at the following references: [Reference 1](https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf), [Reference 2](https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt).