CVE-2021-39990 : The screen lock module has a Stack-based Buffer Overflow vulnerability.Successfu

The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.

Published 2022-01-03 22:15:11

Updated 2022-01-14 16:04:16

Source Huawei Technologies

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2021-39990

Huawei » Harmonyos
Versions before (<) 2.0
cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.25%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 65 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

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