CVE-2021-37732

HIGH

7.2

CVSS Score

Published: October 12, 2021 at 03:12 PM UTC

Updated: June 17, 2026 at 04:01 AM UTC

4 products affected across 2 vendorsScalance W1750D FirmwareAruba InstantScalance W1750D

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Severity

HIGH7.2

Exploit prediction

EPSS 3%

Description

A remote arbitrary command execution vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 6.4.x.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x.x: 6.5.4.18 and below; Aruba Instant 8.5.x.x: 8.5.0.11 and below; Aruba Instant 8.6.x.x: 8.6.0.6 and below; Aruba Instant 8.7.x.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Aruba Instant · Aruba Networks

95%

6.4.0.2-4.1.0.0 ≤ v < 6.4.4.8-4.2.4.186.5.4.0 ≤ v < 6.5.4.198.5.0.0 ≤ v < 8.5.0.128.6.0.0 ≤ v < 8.6.0.78.7.0.0 ≤ v < 8.7.1.1

Affected range stops below 6.4.4.8-4.2.4.18, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.5.4.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.0.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6.0.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.7.1.1, so it looks safe — our inference, not a vendor statement

Scalance W1750D Firmware · Siemens

95%

v < 8.7.1.3

Affected range stops below 8.7.1.3, so it looks safe — our inference, not a vendor statement

siemens-scalance-w1750d (same device)

Instant · Aruba Networks

60%

v ≤ 6.4.4.8-4.2.4.17v ≤ 6.5.4.18v ≤ 8.5.0.11v ≤ 8.6.0.6v ≤ 8.7.1.0

Scalance W1750D · Siemensdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMPatchThird Party Advisory

Source: [email protected]

https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf

x_refsource_MISCVendor Advisory

Source: [email protected]

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt

CVSS

7.2HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-78

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