What is CVE-2021-0522?

CVE-2021-0522 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-06-21.

How severe is CVE-2021-0522?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-0522 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Google Android

CVE-2021-0522

In ConnectionHandler::SdpCb of connection_handler.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-174182139

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 9.0, 10.0, 11.0
N/a Android — versions Android-11 Android-9 Android-10

Weakness classification (CWE)

Public proof-of-concept exploits

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0522?: CVE-2021-0522 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-06-21.
How severe is CVE-2021-0522?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-0522 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.