How severe is CVE-2020-0559?

CVE-2020-0559 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-0559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0559?

CVE-2020-0559 primarily affects Intel Ac 3165 Firmware. In total, 76 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0559?

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-2020-0559 published?

CVE-2020-0559 was published on 2020-08-13 and last updated on 2026-06-17.

CVE-2020-0559

CVE-2020-0559 is a high-severity vulnerability in Intel Ac 3165 Firmware with a CVSS 3.x base score of 7.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Intel Ac 3165 Firmware
Published: 2020-08-13
Last modified: 2026-06-17

Description

Insecure inherited permissions in some Intel(R) PROSet/Wireless WiFi products on Windows* 7 and 8.1 before version 21.40.5.1 may allow an authenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2020-0559?: Insecure inherited permissions in some Intel(R) PROSet/Wireless WiFi products on Windows* 7 and 8.1 before version 21.40.5.1 may allow an authenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-0559?: CVE-2020-0559 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-0559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0559?: CVE-2020-0559 primarily affects Intel Ac 3165 Firmware. In total, 76 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0559?: 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-2020-0559 published?: CVE-2020-0559 was published on 2020-08-13 and last updated on 2026-06-17.

References

Affected products (76)

cpe:2.3:o:intel:ac_3165_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_3168_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_7265_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_8260_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_8265_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_9260_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_9461_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_9462_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ac_9560_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ax200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ax201_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-e3930:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x5-e3940:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_x7-e3950:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j1750:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j1800:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j1850:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j1900:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j3060:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j3160:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j3355:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j3355e:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j3455:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j3455e:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j4005:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j4025:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j4105:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j4125:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j6412:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_j6413:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2805:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2806:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2807:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2808:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2810:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2815:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2820:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2830:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2840:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2910:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Ac 3165 Firmware

CVE-2021-0071 — High (CVSS 8.8): Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user…
CVE-2021-33113 — High (CVSS 8.1): Improper input validation for some Intel(R) PROSet/Wireless WiFi in multiple operating systems and Killer(TM) WiFi in…
CVE-2021-0078 — High (CVSS 8.1): Improper input validation in software for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi in Windows 10 may…
CVE-2021-0151 — High (CVSS 7.8): Improper access control in the installer for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products…
CVE-2021-0082 — High (CVSS 7.8): Uncontrolled search path in software installer for Intel(R) PROSet/Wireless WiFi in Windows 10 may allow an…
CVE-2021-0065 — High (CVSS 7.8): Incorrect default permissions in the Intel(R) PROSet/Wireless WiFi software installer for Windows 10 before version…

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