CVE-2023-21473 — MEDIUM (6.8)

Vulnerability 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.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Samsung	Android	11.0

Related Weaknesses (CWE)

CWE-20

References

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

FAQ

What is CVE-2023-21473?

CVE-2023-21473 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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-2023-21473?

CVE-2023-21473 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21473?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Android.