Samsung Mobile Devices Improper Input Validation Vulnerability

MITTEL 5.5EXPLOITED (CISA KEV)CVE-2021-25489 · Published 06/10/2021 · updated 17/06/2026

Samsung Mobile Devices Improper Input Validation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 29/06/2023. Patch affected systems as an emergency.

Kurz gesagt

CVE-2021-25489 ist eine Schwachstelle (MITTEL (CVSS 5.5)).
Wird aktiv ausgenutzt: CISA hat sie am 29/06/2023 in den KEV-Katalog aufgenommen.
Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.53%, höher als bei 44.9% aller Schwachstellen.
Noch keine gepatchte Version bekannt: Herstellerhinweise unter Referenzen verfolgen.

Package	Affected versions	Patched versions
Mobile Devices Samsung	Versions not published yet (product named by CISA KEV)

Description

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.

References

security.samsungmobile.com/securityUpdate.smsb · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-25489

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