CVE-2021-37471

HIGH
7.5
CVSS Score
Published: November 7, 2021 at 03:25 PM UTC
Updated: June 17, 2026 at 04:00 AM UTC
6 products affected across 1 vendorIBR900 FirmwareIBR600C FirmwareIBR600 Firmware

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

Cradlepoint IBR900-600 devices running versions < 7.21.10 are vulnerable to a restricted shell escape sequence that provides an attacker the capability to simultaneously deny availability to the device's NetCloud Manager console, local console and SSH command-line.

Affected

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

v < 7.21.0
Affected range stops below 7.21.0, so it looks safe — our inference, not a vendor statement
cradlepoint-ibr600 (same device)
v < 7.21.0
Affected range stops below 7.21.0, so it looks safe — our inference, not a vendor statement
cradlepoint-ibr600c (same device)
v < 7.21.0
Affected range stops below 7.21.0, so it looks safe — our inference, not a vendor statement
cradlepoint-ibr900 (same device)
All versions
All versions
All versions

Remediation

No guide yet

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

References (2)

x_refsource_MISCProductVendor Advisory
https://cradlepoint.com/product/endpoints/ibr900/
x_refsource_MISCExploitThird Party Advisory
https://securitybytes.me/posts/cve-2021-37471/

CVSS

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

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card