CVE-2021-25397 — MEDIUM (6.8)

Vulnerability Description

An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.

CVSS Score

6.8

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Google	Android	9.0

Related Weaknesses (CWE)

CWE-926

References

https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/ExploitThird Party Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5Vendor Advisory
https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/ExploitThird Party Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5Vendor Advisory

FAQ

What is CVE-2021-25397?

CVE-2021-25397 is a vulnerability with a CVSS score of 6.8 (MEDIUM). An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.

How severe is CVE-2021-25397?

CVE-2021-25397 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-2021-25397?

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