Is CVE-2021-0956 being actively exploited?

CVE-2021-0956 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2021-0956?

CVE-2021-0956 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2021-0956

CRITICAL · CVSS 9.8EPSS 1.3%EU EUVD

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

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 1.3% (69th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2021-3575)
Published: December 15, 2021
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-3575 in the EU Vulnerability Database. Last updated in EUVD on August 3, 2024.

View on the EU Vulnerability Database

Affected products

google / android
google / android

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Google Pixel Phones on Android 12.0 - Google LLC - Common Criteria CCEVS-VR-11239-2022 - archived
Google Pixel Phones on Android 11.0 - Google LLC - Common Criteria CCEVS-VR-11124-2021 - archived

References

https://source.android.com/security/bulletin/2021-12-01(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain