CVE-2021-36630

Name: CVE-2021-36630
Creator: NVD / NIST
Published: 2023-01-18T13:15:12.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.35%

Last modified Jun 17, 2026

CVE-2021-36630 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. DDOS reflection amplification vulnerability in eAut module of Ruckus Wireless SmartZone controller that allows remote attackers to perform DOS attacks via crafted request.. EPSS estimates a 2.35% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.35%

81.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ruckuswireless	Sz-300 Firmware	<= 3.6.2
Ruckuswireless	Sz-144 Firmware	<= 3.6.2
Ruckuswireless	Sz-100 Firmware	<= 3.6.2
Ruckuswireless	Vsz Firmware	<= 3.6.2

References

http://ruckus.comNot Applicable
http://smartzone-100.comBroken Link
https://anquan.baidu.com/article/1434Exploit, Mitigation, Technical Description, Third Party Advisory
https://github.com/lixiang957/CVE-2021-36630Exploit, Third Party Advisory
https://www.commscope.com/globalassets/digizuite/921070-faq-security-advisory-id-20210719-v1-0.pdfVendor Advisory
https://www.freebuf.com/articles/web/260338.htmlExploit, Third Party Advisory
http://ruckus.comNot Applicable
http://smartzone-100.comBroken Link
https://anquan.baidu.com/article/1434Exploit, Mitigation, Technical Description, Third Party Advisory
https://github.com/lixiang957/CVE-2021-36630Exploit, Third Party Advisory
https://www.commscope.com/globalassets/digizuite/921070-faq-security-advisory-id-20210719-v1-0.pdfVendor Advisory
https://www.freebuf.com/articles/web/260338.htmlExploit, Third Party Advisory

Timeline

Published: Jan 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36630?

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

How severe is CVE-2021-36630?

CVE-2021-36630 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.35% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36630?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36630?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST