CVE-2021-25397

6.8 MEDIUM 0.1% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data tampering.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-06-11 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:42 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.1% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-06-11 15:15 UTC
Last modified: 2026-06-17 03:42 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-926
Record status: Modified

Affected

Google Android 9.0
Google Android 10.0
Google Android 11.0

Attack profile CVSS 3.1 · 6.8

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: Low

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-25397.md and follow it. Check whether this project is affected by CVE-2021-25397. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record