What is CVE-2023-21451?

CVE-2023-21451 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-02-09.

How severe is CVE-2023-21451?

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

Buffer overflow in Samsung Android

CVE-2023-21451

A Stack-based overflow vulnerability in IpcRxEmbmsSessionList in SECRIL prior to Android S(12) allows attacker to cause memory corruptions.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-02-09 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.002 (5.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% 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
Samsung Mobile Devices — versions unspecified

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2023-21451?: CVE-2023-21451 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-02-09.
How severe is CVE-2023-21451?: Medium severity. CVSS v3 base score is 6.7 out of 10.