CVE & CISA-KEV Catalog

CVE-2020-22656

HIGH
7.5
CVSS v3
NVD

Description

In Ruckus R310 10.5.1.0.199, Ruckus R500 10.5.1.0.199, Ruckus R600 10.5.1.0.199, Ruckus T300 10.5.1.0.199, Ruckus T301n 10.5.1.0.199, Ruckus T301s 10.5.1.0.199, SmartCell Gateway 200 (SCG200) before 3.6.2.0.795, SmartZone 100 (SZ-100) before 3.6.2.0.795, SmartZone 300 (SZ300) before 3.6.2.0.795, Virtual SmartZone (vSZ) before 3.6.2.0.795, ZoneDirector 1100 9.10.2.0.130, ZoneDirector 1200 10.2.1.0.218, ZoneDirector 3000 10.2.1.0.218, ZoneDirector 5000 10.0.1.0.151, a vulnerability allows attackers to make the Secure Boot in failed attempts state (rfwd).

CWE-1272

How to fix

Remediation Available
scg200 firmwareNVD
Affected:< 3.6.2.0.795Fixed in:3.6.2.0.795CVE-2020-22656derived from NVD
sz-100 firmwareNVD
Affected:< 3.6.2.0.795Fixed in:3.6.2.0.795CVE-2020-22656derived from NVD
sz-300 firmwareNVD
Affected:< 3.6.2.0.795Fixed in:3.6.2.0.795CVE-2020-22656derived from NVD
vsz firmwareNVD
Affected:< 3.6.2.0.795Fixed in:3.6.2.0.795CVE-2020-22656derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

Exploit Intelligence

0.49%probability of exploitation in 30 days
39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Other references1
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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 2025-04-03.