Is CVE-2021-37471 in the CISA KEV catalog?

No. CVE-2021-37471 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-37471?

CVE-2021-37471 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-37471?

CVE-2021-37471 has an EPSS score of 1.16% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-37471?

Upgrade ibr600 firmware to 7.21.0 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-37471

HIGH

7.5

CVSS v3

NVD

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.

How to fix

Remediation Available

ibr600 firmwareNVD

Affected:< 7.21.0Fixed in:7.21.0CVE-2021-37471derived from NVD

ibr600c firmwareNVD

Affected:< 7.21.0Fixed in:7.21.0CVE-2021-37471derived from NVD

ibr900 firmwareNVD

Affected:< 7.21.0Fixed in:7.21.0CVE-2021-37471derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.16%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Exploit1

securitybytes.me

Vendor Advisory1

cradlepoint.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.