How severe is CVE-2020-22659?

CVE-2020-22659 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-22659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-22659?

CVE-2020-22659 primarily affects Ruckuswireless R310 Firmware. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-22659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-22659 published?

CVE-2020-22659 was published on 2023-01-20 and last updated on 2026-06-17.

CVE-2020-22659

CVE-2020-22659 is a high-severity vulnerability in Ruckuswireless R310 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Ruckuswireless R310 Firmware
Published: 2023-01-20
Last modified: 2026-06-17

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 exploit the official image signature to force injection unauthorized image signature.

Frequently asked questions

What is CVE-2020-22659?: 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 exploit the official image signature to force injection unauthorized image signature.
How severe is CVE-2020-22659?: CVE-2020-22659 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-22659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-22659?: CVE-2020-22659 primarily affects Ruckuswireless R310 Firmware. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-22659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-22659 published?: CVE-2020-22659 was published on 2023-01-20 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:o:ruckuswireless:r310_firmware:10.5.1.0.199:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:r500_firmware:10.5.1.0.199:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:r600_firmware:10.5.1.0.199:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:t300_firmware:10.5.1.0.199:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:t301n_firmware:10.5.1.0.199:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:t301s_firmware:10.5.1.0.199:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:scg200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:sz-100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:sz-300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:vsz_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:zonedirector_1100_firmware:9.10.2.0.130:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:zonedirector_1200_firmware:10.2.1.0.218:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:zonedirector_3000_firmware:10.2.1.0.218:*:*:*:*:*:*:*
cpe:2.3:o:ruckuswireless:zonedirector_5000_firmware:10.0.1.0.151:*:*:*:*:*:*:*

More vulnerabilities in Ruckuswireless R310 Firmware

CVE-2020-22658 — Critical (CVSS 9.8): 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…
CVE-2020-22654 — Critical (CVSS 9.8): 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…
CVE-2020-22653 — Critical (CVSS 9.8): 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…
CVE-2020-22657 — Critical (CVSS 9.1): 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…
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