CVE-2021-25471: Input Validation
First published: Wed Oct 06 2021(Updated: )
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.
Credit: mobile.security@samsung.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | =8.1 | |
| Google Android | =9.0 | |
| Google Android | =10.0 | |
| Samsung Exynos |
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Frequently Asked Questions
What is CVE-2021-25471?
CVE-2021-25471 is a vulnerability that involves a lack of replay attack protection in the Security Mode Command process prior to SMR Oct-2021 Release 1, which can lead to denial of service on mobile network connection and battery depletion.
What is the severity of CVE-2021-25471?
CVE-2021-25471 has a severity rating of 7.5, which is classified as high.
Which software versions are affected by CVE-2021-25471?
CVE-2021-25471 affects Google Android versions 8.1, 9.0, and 10.0.
How can CVE-2021-25471 be exploited?
CVE-2021-25471 can be exploited by an attacker performing a replay attack on the Security Mode Command process.
Is Samsung Exynos vulnerable to CVE-2021-25471?
No, Samsung Exynos is not vulnerable to CVE-2021-25471.
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