Is CVE-2021-4474 in the CISA KEV catalog?

No. CVE-2021-4474 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4474?

CVE-2021-4474 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2021-4474?

CVE-2021-4474 has an EPSS score of 0.46% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-4474?

No published fix for CVE-2021-4474 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-4474

MEDIUM

4.9

CVSS v3

NVD

Description

Ruckus Access Point products contain an arbitrary file read vulnerability in the command-line interface that allows authenticated remote attackers with administrative privileges to read arbitrary files from the underlying filesystem. Attackers can exploit this vulnerability to access sensitive information including configuration files, credentials, and system data stored on the device.

CWE-552

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.46%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Other references2

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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 2026-03-30.