What is CVE-2023-21490?

CVE-2023-21490 is a medium-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 4.7/10. Published 2023-05-04.

How severe is CVE-2023-21490?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Samsung Android

CVE-2023-21490

Improper access control in GearManagerStub prior to SMR May-2023 Release 1 allows a local attacker to delete applications installed by watchmanager.

Published 2023-05-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions Android 11, 12, 13

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2023-21490?: CVE-2023-21490 is a medium-severity vulnerability in Samsung Android, classified under Improper Access Control. CVSS score: 4.7/10. Published 2023-05-04.
How severe is CVE-2023-21490?: Medium severity. CVSS v3 base score is 4.7 out of 10.