What is CVE-2024-20877?

CVE-2024-20877 is a high-severity vulnerability in Samsung Android, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2024-06-04.

How severe is CVE-2024-20877?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Samsung Android

CVE-2024-20877

Heap out-of-bound write vulnerability in parsing grid image header in libsavscmn.so prior to SMR Jun-2024 Release 1 allows local attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2024-06-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.002 (9.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Samsung Android — versions 12.0, 13.0, 14.0
Samsung Mobile Devices — versions SMR Jun-2024 Release in Android 12, 13, 14

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20877?: CVE-2024-20877 is a high-severity vulnerability in Samsung Android, classified under Out-of-bounds Write. CVSS score: 7.3/10. Published 2024-06-04.
How severe is CVE-2024-20877?: High severity. CVSS v3 base score is 7.3 out of 10.