CVE-2021-36630

HIGHNVD 7.57.5—Elevated

7.5

DDOS reflection amplification vulnerability in eAut module of Ruckus Wireless SmartZone controller that allows remote attackers to perform DOS attacks via crafted request.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 97.4%
KEV: Not listed

Published

January 18, 2023

Last Modified

April 4, 2025

References (12)

cve@mitrehttp://ruckus.com
cve@mitrehttp://smartzone-100.com
cve@mitrehttps://anquan.baidu.com/article/1434
cve@mitrehttps://github.com/lixiang957/CVE-2021-36630
cve@mitrehttps://www.commscope.com/globalassets/digizuite/921070-faq-security-advisory-id-20210719-v1-0.pdf
cve@mitrehttps://www.freebuf.com/articles/web/260338.html
af854a3a-2127-422b-91ae-364da2661108http://ruckus.com
af854a3a-2127-422b-91ae-364da2661108http://smartzone-100.com
af854a3a-2127-422b-91ae-364da2661108https://anquan.baidu.com/article/1434
af854a3a-2127-422b-91ae-364da2661108https://github.com/lixiang957/CVE-2021-36630
af854a3a-2127-422b-91ae-364da2661108https://www.commscope.com/globalassets/digizuite/921070-faq-security-advisory-id-20210719-v1-0.pdf
af854a3a-2127-422b-91ae-364da2661108https://www.freebuf.com/articles/web/260338.html

Weakness Classification(1)

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

CWE-770Allocation of Resources Without Limits or Throttling

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 08:22 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-36630?

CVE-2021-36630 is a high vulnerability published on January 18, 2023. DDOS reflection amplification vulnerability in eAut module of Ruckus Wireless SmartZone controller that allows remote attackers to perform DOS attacks via crafted request.

When was CVE-2021-36630 disclosed?

CVE-2021-36630 was first published in the National Vulnerability Database on January 18, 2023, with the most recent update on April 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-36630 actively exploited?

CVE-2021-36630 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-36630?

CVE-2021-36630 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-36630?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-36630, 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

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CVE-2021-36630

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-36630?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (12)

Frequently asked(5)

Related CVEs(same CWE)