Is CVE-2021-39966 in the CISA KEV catalog?

No. CVE-2021-39966 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39966?

CVE-2021-39966 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-39966?

CVE-2021-39966 has an EPSS score of 0.68% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39966?

Upgrade harmonyos to 2.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-39966

HIGH

7.5

CVSS v3

NVD

Description

There is an Uninitialized AOD driver structure in Smartphones.Successful exploitation of this vulnerability may affect service confidentiality.

CWE-909

How to fix

Remediation Available

harmonyosNVD

Affected:< 2.0Fixed in:2.0CVE-2021-39966derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.68%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-909 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-14647	High	7.5	11%	-	Fix
CVE-2019-9639	High	7.5	8.2%	-	Fix
CVE-2018-10811	High	7.5	7.1%	-	Fix
CVE-2020-12352	Medium	6.5	5.7%	-	Fix
CVE-2019-3804	High	7.5	4.9%	-	Fix
CVE-2020-16932	High	7.8	4.8%	-	-

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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.