How severe is CVE-2023-21466?

CVE-2023-21466 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-21466 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21466?

CVE-2023-21466 primarily affects Samsung Android. In total, 60 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21466?

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

Does CVE-2023-21466 have an EU (EUVD) identifier?

Yes. CVE-2023-21466 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25634.

When was CVE-2023-21466 published?

CVE-2023-21466 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2023-21466

CVE-2023-21466 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. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-25634
Weakness: CWE-287
Affected product: Samsung Android
Published: 2025-09-03
Last modified: 2026-06-17

Description

PendingIntent hijacking vulnerability in CertificatePolicy in framework prior to SMR Apr-2023 Release 1 allows local attackers to access contentProvider without proper permission.

Frequently asked questions

What is CVE-2023-21466?: PendingIntent hijacking vulnerability in CertificatePolicy in framework prior to SMR Apr-2023 Release 1 allows local attackers to access contentProvider without proper permission.
How severe is CVE-2023-21466?: CVE-2023-21466 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-21466 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21466?: CVE-2023-21466 primarily affects Samsung Android. In total, 60 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21466?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-21466 have an EU (EUVD) identifier?: Yes. CVE-2023-21466 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25634.
When was CVE-2023-21466 published?: CVE-2023-21466 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 (60)

cpe:2.3:o:samsung:android:11.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-apr-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-aug-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-dec-2020-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-dec-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jul-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jun-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-mar-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-mar-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-may-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-may-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-nov-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-nov-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-oct-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-oct-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-sep-2021-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:11.0:smr-sep-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-apr-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-aug-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-dec-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-feb-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-feb-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jan-2023-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jul-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-jun-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-mar-2022-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:12.0:smr-mar-2023-r1:*:*:*:*:*:*

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