How severe is CVE-2020-0558?

CVE-2020-0558 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-0558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0558?

CVE-2020-0558 affects Intel Proset/wireless Wifi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-0558?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-0558 published?

CVE-2020-0558 was published on 2020-04-15 and last updated on 2026-06-17.

CVE-2020-0558

CVE-2020-0558 is a medium-severity vulnerability in Intel Proset/wireless Wifi with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Proset/wireless Wifi
Published: 2020-04-15
Last modified: 2026-06-17

Description

Improper buffer restrictions in kernel mode driver for Intel(R) PROSet/Wireless WiFi products before version 21.70 on Windows 10 may allow an unprivileged user to potentially enable denial of service via adjacent access.

Frequently asked questions

What is CVE-2020-0558?: Improper buffer restrictions in kernel mode driver for Intel(R) PROSet/Wireless WiFi products before version 21.70 on Windows 10 may allow an unprivileged user to potentially enable denial of service via adjacent access.
How severe is CVE-2020-0558?: CVE-2020-0558 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-0558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0558?: CVE-2020-0558 affects Intel Proset/wireless Wifi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-0558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-0558 published?: CVE-2020-0558 was published on 2020-04-15 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00338.html

Affected products (1)

cpe:2.3:a:intel:proset\/wireless_wifi:*:*:*:*:*:*:*:*

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