CVE-2021-25489 vulnerability in Samsung Products
Published on October 6, 2021
Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.
Known Exploited Vulnerability
This Samsung Mobile Devices Improper Input Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.
The following remediation steps are recommended / required by July 20, 2023: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Vulnerability Analysis
CVE-2021-25489 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
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.
Products Associated with CVE-2021-25489
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Affected Versions
Samsung Mobile Devices:- Version O(8.1), P(9.0), Q(10.0), R(11.0) and below SMR Oct-2021 Release 1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.