CVE-2021-39635 - CVE House
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Status published Critical CVE-2021-39635

ims_ex is a vendor system service used to manage VoLTE...

Vulnerability Description

ims_ex is a vendor system service used to manage VoLTE in unisoc devices,But it does not verify the caller's permissions,so that normal apps (No phone permissions) can obtain some VoLTE sensitive information and manage VoLTE calls.Product: AndroidVersions: Android SoCAndroid ID: A-206492634

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Android
Vulnerable Versions:
Android SoC

Timeline

Official Publish: February 11th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.