What is CVE-2021-0589?

CVE-2021-0589 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-07-14.

How severe is CVE-2021-0589?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-0589 known to be exploited?

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

Buffer overflow in Google Android

CVE-2021-0589

In BTM_TryAllocateSCN of btm_scn.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-180939982

Vulnerability class: Buffer Overflow

EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 8.1, 9.0, 10.0
N/a Android — versions Android-11 Android-8.1 Android-9 Android-10

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0589?: CVE-2021-0589 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-07-14.
How severe is CVE-2021-0589?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-0589 known to be exploited?: 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.