How severe is CVE-2020-5343?

CVE-2020-5343 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-5343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5343?

CVE-2020-5343 affects Dell Os Recovery Image For Microsoft Windows 10. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5343?

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-2020-5343 published?

CVE-2020-5343 was published on 2020-05-04 and last updated on 2026-06-17.

CVE-2020-5343

CVE-2020-5343 is a high-severity vulnerability in Dell Os Recovery Image For Microsoft Windows 10 with a CVSS 3.x base score of 7.3. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.2
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Dell Os Recovery Image For Microsoft Windows 10
Published: 2020-05-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-5343?: 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.
How severe is CVE-2020-5343?: CVE-2020-5343 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-5343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5343?: CVE-2020-5343 affects Dell Os Recovery Image For Microsoft Windows 10. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5343?: 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-2020-5343 published?: CVE-2020-5343 was published on 2020-05-04 and last updated on 2026-06-17.

References

https://www.dell.com/support/article/SLN321036

Affected products (1)

cpe:2.3:o:dell:os_recovery_image_for_microsoft_windows_10:*:*:*:*:*:*:*:*

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