Vulnerability · Published Dec 15, 2021 · Assigned by google_android
CVE-2021-0956
Critical 9.8
In plain English
A critical-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.3%top 30.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2021-12-01 x_refsource_MISC