Is CVE-2020-5378 in the CISA KEV catalog?

No. CVE-2020-5378 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-5378?

CVE-2020-5378 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2020-5378?

CVE-2020-5378 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-5378?

Upgrade g7 17 7790 bios to 1.13.2 or later.

CVE & CISA-KEV Catalog

CVE-2020-5378

MEDIUM

6.8

CVSS v3

NVD

Description

Dell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

CWE-416Use After Free

How to fix

Remediation Available

g7 17 7790 biosNVD

Affected:< 1.13.2Fixed in:1.13.2CVE-2020-5378derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Vendor Advisory1

dell.com

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.