Improper input validation in Samsung Mobile Devices
CVE-2021-25489
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.003 (57.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Samsung Mobile Devices — versions O(8.1), P(9.0), Q(10.0), R(11.0)
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Public proof-of-concept exploits
References
- security.samsungmobile.com/securityUpdate.smsb (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-25489?
- CVE-2021-25489 is a low-severity vulnerability in Samsung Mobile Devices, classified under Improper Input Validation. CVSS score: 3.3/10. Published 2021-10-06.
- How severe is CVE-2021-25489?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2021-25489 known to be exploited?
- Yes. CVE-2021-25489 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-06-29), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.