Vulnerability record

CVE-2021-25489

Samsung Mobile Devices Improper Input Validation Vulnerability

Severity: ElevatedExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Mobile Devices, fix it now.

CISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

US federal civilian agencies must remediate by Jul 20, 2023.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorSource
Mobile DevicesSamsungKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2021-25489 scored CVSS 5.5: Samsung Mobile Devices, Samsung Mobile Devices Improper Input Validation Vulnerability

    CISA lists this as exploited in the wild. Unpatched Mobile Devices systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

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Coverage

We have not published a story about this vulnerability yet.

References

  • security.samsungmobile.com https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2021-25489
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25489