How severe is CVE-2023-21479?

CVE-2023-21479 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-21479 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21479?

CVE-2023-21479 primarily affects Samsung Android. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21479?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-21479 have an EU (EUVD) identifier?

Yes. CVE-2023-21479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25647.

When was CVE-2023-21479 published?

CVE-2023-21479 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2023-21479

CVE-2023-21479 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-25647
Affected product: Samsung Android
Published: 2025-09-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-21479?: 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.
How severe is CVE-2023-21479?: CVE-2023-21479 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-21479 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21479?: CVE-2023-21479 primarily affects Samsung Android. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21479?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-21479 have an EU (EUVD) identifier?: Yes. CVE-2023-21479 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25647.
When was CVE-2023-21479 published?: CVE-2023-21479 was published on 2025-09-03 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04

Affected products (18)

cpe:2.3:o:samsung:android:13.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-nov-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:13.0:smr-sep-2022-r1:*:*:*:*:*:*
cpe:2.3:a:samsung:smart_suggestions:4.1.01.0:*:*:*:*:*:*:*

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