CVE-2021-4474

MEDIUMPre-NVD 4.94.9—
EchelonGraph scoreMEDIUM confidence

Score 4.9 from GitHub Security Advisory published 2026-03-26. the CNA's CVSS baseline 4.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
4.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.9Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.9
EG Score
4.9(medium)
EG Risk
—
EPSS
37.1%
KEV
Not listed

Published

March 26, 2026

Last Modified

July 15, 2026

References (2)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 15× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 22:52 UTCEG score recompute
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
  5. 2026-07-20 17:05 UTCEPSS rescore
  6. 2026-07-19 14:29 UTCEPSS rescore
  7. 2026-07-19 02:27 UTCEPSS rescore
  8. 2026-07-19 02:27 UTCEPSS rescore
  9. 2026-07-18 10:02 UTCEPSS rescore
  10. 2026-07-16 17:00 UTCEPSS rescore
  11. 2026-07-16 17:00 UTCEPSS rescore
  12. 2026-07-15 16:55 UTCEPSS rescore
  13. 2026-07-15 02:07 UTCEG score recompute
  14. 2026-07-15 02:07 UTCGHSA enrichment
  15. 2026-07-15 02:06 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-4474?
CVE-2021-4474 is a medium vulnerability published on March 26, 2026. 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…
When was CVE-2021-4474 disclosed?
CVE-2021-4474 was first published in the National Vulnerability Database on March 26, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-4474 actively exploited?
CVE-2021-4474 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-4474?
CVE-2021-4474 has a CVSS v4.0 base score of 4.9 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2021-4474?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-4474, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2021-4474

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