CVE-2020-0548

CVE-2020-0548 is a medium-severity vulnerability in Intel Core I7-8700b Firmware with a CVSS 3.x base score of 5.5. 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-404.

Key facts

• Severity: Medium (CVSS 3.x base score 5.5)
• CVSS v2: 2.1
• EPSS exploit prediction: 1% (40th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-404
• Affected product: Intel Core I7-8700b Firmware
• Published: 2020-01-28
• Last modified: 2026-06-17

Description

Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2020-0548?

Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

How severe is CVE-2020-0548?

CVE-2020-0548 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-0548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0548?

CVE-2020-0548 primarily affects Intel Core I7-8700b Firmware. In total, 427 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0548?

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

When was CVE-2020-0548 published?

CVE-2020-0548 was published on 2020-01-28 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00016.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00019.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DT2VKDMQ3I37NBNJ256A2EXR7OJHXXKZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5OUM24ZC43G4IDT3JUCIHJTSDXJSK6Y/
• https://security.netapp.com/advisory/ntap-20200210-0004/
• https://usn.ubuntu.com/4385-1/
• https://www.debian.org/security/2020/dsa-4701
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00329.html

Affected products (427)

• cpe:2.3:o:intel:core_i7-8700b_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7-8569u_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_8650u_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_8565u_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_8560u_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_8559u_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_8550u_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_8500y_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i7_10510y_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i5_10310y_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i5_10210y_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:core_i5_10110y_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8253_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8256_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8260_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8260l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8260m_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8260y_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8268_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8270_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8276_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8276l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8276m_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8280_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8280l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_8280m_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_9220_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_9221_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_9222_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_9242_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_9282_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5215_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5215l_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5215m_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5215r_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5217_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5218_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5218b_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5218n_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:intel:xeon_5218t_firmware:-:*:*:*:*:*:*:*

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