Buffer overflow in Google Android

CVE-2023-20956

In Import of C2SurfaceSyncObj.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240140929

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-20956: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

  • Google Android — versions 12.0, 12.1, 13.0
  • Android — versions Android-12 Android-12L Android-13

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-20956?
CVE-2023-20956 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 4.4/10. Published 2023-03-24.
How severe is CVE-2023-20956?
Medium severity. CVSS v3 base score is 4.4 out of 10.