How severe is CVE-2023-21472?

CVE-2023-21472 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-21472 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21472?

CVE-2023-21472 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-2023-21472?

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

Does CVE-2023-21472 have an EU (EUVD) identifier?

Yes. CVE-2023-21472 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25640.

When was CVE-2023-21472 published?

CVE-2023-21472 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2023-21472

CVE-2023-21472 is a medium-severity vulnerability in Samsung Android with a CVSS 3.x base score of 6.8. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-25640
Weakness: CWE-20
Affected product: Samsung Android
Published: 2025-09-03
Last modified: 2026-06-17

Description

Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.

Frequently asked questions

What is CVE-2023-21472?: Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.
How severe is CVE-2023-21472?: CVE-2023-21472 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-21472 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21472?: CVE-2023-21472 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-2023-21472?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-21472 have an EU (EUVD) identifier?: Yes. CVE-2023-21472 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25640.
When was CVE-2023-21472 published?: CVE-2023-21472 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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