CVE-2021-25444 : An IV reuse vulnerability in keymaster prior to SMR AUG-2021 Release 1 allows de

An IV reuse vulnerability in keymaster prior to SMR AUG-2021 Release 1 allows decryption of custom keyblob with privileged process.

Published 2021-08-05 20:15:08

Updated 2022-08-01 11:42:38

Source Samsung Mobile

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2021-25444

Google » Android » Version: 8.1
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
Matching versions
Google » Android » Version: 9.0
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
Matching versions
Google » Android » Version: 10.0
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.03%

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

~ 6 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: mobile.security@samsung.com (Secondary)
CWE-330 Use of Insufficiently Random Values

The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

Assigned by: nvd@nist.gov (Primary)

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