CVE-2023-21479 Missing authorization in Samsung Mobile Devices

What is CVE-2023-21479?

CVE-2023-21479 is a medium-severity missing authorization vulnerability in Samsung Android, published on 3 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper authorization in Smart suggestions prior to SMR Apr-2023 Release 1 in Android 13 and 4.1.01.0 in Android 12 allows remote attackers to register a schedule.

Which versions are affected by CVE-2023-21479?

It affects 2 products.

Products include Samsung Android, Samsung Smart Suggestions.

How do I fix CVE-2023-21479?

No fix has been published for CVE-2023-21479 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-21479 being exploited?

There is no known exploitation of CVE-2023-21479 in the wild and no public exploit code.

Other vulnerabilities in Samsung Android

• CVE-2025-21042 Samsung Mobile Devices Out-of-Bounds Write Exploited High 8.8
• CVE-2025-21043 Samsung Mobile Devices Out-of-Bounds Write Exploited High 8.8
• CVE-2021-25487 Samsung Mobile Devices Out-of-Bounds Read Exploited High 7.3
• CVE-2021-25394 Samsung Mobile Devices Race Condition Exploited Medium 6.4
• CVE-2021-25395 Samsung Mobile Devices Race Condition Exploited Medium 6.4

All Samsung Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h3vg-292w-9x2c.