Is CVE-2020-5343 in the CISA KEV catalog?

No. CVE-2020-5343 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-5343?

CVE-2020-5343 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2020-5343?

CVE-2020-5343 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-5343?

Upgrade os recovery image for microsoft windows 10 to 2019-12-20 or later.

CVE & CISA-KEV Catalog

CVE-2020-5343

HIGH

7.3

CVSS v3

NVD

Description

Dell Client platforms restored using a Dell OS recovery image downloaded before December 20, 2019, may contain an insecure inherited permissions vulnerability. A local authenticated malicious user with low privileges could exploit this vulnerability to gain unauthorized access on the root folder.

CWE-277 CWE-863Incorrect Authorization

How to fix

Remediation Available

os recovery image for microsoft windows 10NVD

Affected:< 2019-12-20Fixed in:2019-12-20CVE-2020-5343derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Patch1

dell.com

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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.