What is CVE-2021-0897?

CVE-2021-0897 is a medium-severity vulnerability in Google Android, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.7/10. Published 2021-12-17.

How severe is CVE-2021-0897?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Google Android

CVE-2021-0897

In apusys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05672107; Issue ID: ALPS05670549.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 10.0, 11.0, 12.0
Mediatek Mt6873
Mediatek Mt6875
Mediatek Mt6877
Mediatek Mt6883
Mediatek Mt6885
Mediatek Mt6889
Mediatek Mt6891
Mediatek Mt6893
Mediatek Mt8195

Weakness classification (CWE)

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0897?: CVE-2021-0897 is a medium-severity vulnerability in Google Android, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.7/10. Published 2021-12-17.
How severe is CVE-2021-0897?: Medium severity. CVSS v3 base score is 6.7 out of 10.