What is CVE-2023-20808?

CVE-2023-20808 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2023-08-07.

How severe is CVE-2023-20808?

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

Buffer overflow in Google Android

CVE-2023-20808

In OPTEE, 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: DTV036458…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.4th 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 11.0
Mediatek Mt9011
Mediatek Mt9022
Mediatek Mt9618
Mediatek Mt9649
Mediatek Mt9653
Mediatek, Inc. Mt9011, Mt9022, Mt9618, Mt9649, Mt9653 — versions Android 11.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-20808?: CVE-2023-20808 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2023-08-07.
How severe is CVE-2023-20808?: Medium severity. CVSS v3 base score is 6.7 out of 10.