Vulnerability in Ruckus Unleashed
CVE-2021-4474
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Ruckus Unleashed — versions 0
- Ruckus Smartzone 100-D (Sz100-D) (Eol) — versions 0
- Ruckus Smartzone 100 (Sz-100) (Eol) — versions 0
- Ruckus Smartzone 144-Dataplane (Sz144-D) — versions 0
- Ruckus Smartzone 144 (Sz-144) — versions 0
- Ruckus Smartzone 300 (Sz300) (Eol) — versions 0
- Ruckus Zonedirector 1200 (Eol) — versions 0
- Ruckus Wireless Access Point — versions 0
Weakness classification (CWE)
References
- Ruckus Security Bulletin 20210108 (vendor-advisory)
- www.vulncheck.com/advisories/ruckus-ap-cli-arbitrary-file-read-allows-authentic… (third-party-advisory)
Frequently asked questions
- What is CVE-2021-4474?
- CVE-2021-4474 is a medium-severity vulnerability in Ruckus Unleashed, classified under Files or Directories Accessible to External Parties. CVSS score: 4.9/10. Published 2026-03-26.
- How severe is CVE-2021-4474?
- Medium severity. CVSS v3 base score is 4.9 out of 10.