Is CVE-2023-21473 being actively exploited?

CVE-2023-21473 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-21473?

CVE-2023-21473 has a CVSS 3.1 base score of 6.8 (MEDIUM).

CVE-2023-21473

MEDIUM · CVSS 6.8EPSS 0.2%EU EUVD

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.

Key facts

CVSS score: 6.8 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-20
EPSS score: 0.2% (12th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-25641)
Published: September 3, 2025
NVD last modified: June 17, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-25641 in the EU Vulnerability Database. Last updated in EUVD on September 3, 2025.

View on the EU Vulnerability Database

Affected products

samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
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samsung / android
samsung / android
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samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android
samsung / android

and 10 more…

Certified products that may be affected

6 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Samsung Electronics Co., Ltd. Samsung Galaxy Devices on Android 13 – Fall - Samsung Electronics Co., Ltd. - Common Criteria CCEVS-VR-VID-11410-2023 - archived
Samsung Electronics Co., Ltd. Samsung Galaxy Devices on Android 13- Spring - Samsung Electronics Co., Ltd. - Common Criteria CCEVS-VR-VID-11342-2023 - archived
Samsung Electronics Co., Ltd. Samsung Galaxy Devices on Android 12 – Fall - Samsung Electronics Co., Ltd. - Common Criteria CCEVS-VR-VID-11307-2022 - archived
Samsung Galaxy Devices on Android 12 - Spring - Samsung Electronics Co., Ltd. - Common Criteria CCEVS-VR-VID-11228-2022 - archived
Samsung Galaxy Devices on Android 11 - Fall - Samsung Electronics Co., Ltd. - Common Criteria CCEVS-VR-VID-11211-2021 - archived

See all 6 in the Security Certifications Explorer.

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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