What is CVE-2021-37471?

CVE-2021-37471 is a high-severity vulnerability in Cradlepoint Ibr600. CVSS score: 7.5/10. Published 2021-11-07.

How severe is CVE-2021-37471?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cradlepoint Ibr600

CVE-2021-37471

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.

Published 2021-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

References

cradlepoint.com/product/endpoints/ibr900/ (Product, Vendor Advisory)
securitybytes.me/posts/cve-2021-37471/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-37471?: CVE-2021-37471 is a high-severity vulnerability in Cradlepoint Ibr600. CVSS score: 7.5/10. Published 2021-11-07.
How severe is CVE-2021-37471?: High severity. CVSS v3 base score is 7.5 out of 10.