CVE-2021-25471

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 6, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-25471: High severity, CVSS 7.5 | Vulnix