CVE-2021-25396 — MEDIUM (6.7)

Vulnerability Description

An improper input validation vulnerability in NPU firmware prior to SMR MAY-2021 Release 1 allows arbitrary memory write and code execution.

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	10.0
Samsung	Exynos 2100	-
Samsung	Exynos 980	-
Samsung	Exynos 9820	-
Samsung	Exynos 9830	-

Related Weaknesses (CWE)

CWE-787

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5Vendor Advisory

FAQ

What is CVE-2021-25396?

CVE-2021-25396 is a vulnerability with a CVSS score of 6.7 (MEDIUM). An improper input validation vulnerability in NPU firmware prior to SMR MAY-2021 Release 1 allows arbitrary memory write and code execution.

How severe is CVE-2021-25396?

CVE-2021-25396 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-25396?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Samsung Exynos 2100, Samsung Exynos 980, Samsung Exynos 9820, Samsung Exynos 9830.