How severe is CVE-2020-5388?

CVE-2020-5388 has a CVSS 3.x base score of 6.9, rated medium severity. It is exploitable over physical access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-5388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5388?

CVE-2020-5388 affects Dell Inspiron 15 7579 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5388?

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

When was CVE-2020-5388 published?

CVE-2020-5388 was published on 2020-11-10 and last updated on 2026-06-17.

CVE-2020-5388

CVE-2020-5388 is a medium-severity vulnerability in Dell Inspiron 15 7579 Firmware with a CVSS 3.x base score of 6.9. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.9)
CVSS v2: 4.4
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dell Inspiron 15 7579 Firmware
Published: 2020-11-10
Last modified: 2026-06-17

Description

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Frequently asked questions

What is CVE-2020-5388?: Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
How severe is CVE-2020-5388?: CVE-2020-5388 has a CVSS 3.x base score of 6.9, rated medium severity. It is exploitable over physical access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-5388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5388?: CVE-2020-5388 affects Dell Inspiron 15 7579 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5388?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5388 published?: CVE-2020-5388 was published on 2020-11-10 and last updated on 2026-06-17.

References

https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability

Affected products (1)

cpe:2.3:o:dell:inspiron_15_7579_firmware:*:*:*:*:*:*:*:*

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