CVE-2021-0956

Description

In NfcTag::discoverTechnologies (activation) of NfcTag.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additionalSystem execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12Android ID: A-189942532

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.81% Top 30%
Vendor Advisory android.com
Affected: n/a Android
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/2021-12-01 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-0956?
CVE-2021-0956 has been scored as a critical severity vulnerability.
How to fix CVE-2021-0956?
To fix CVE-2021-0956, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-0956 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-0956 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-0956?
CVE-2021-0956 affects n/a Android.
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