CVE-2023-38297

What it is

An issue was discovered in a third-party com.factory.mmigroup component, shipped on devices from multiple device manufacturers. Certain software builds for various Android devices contain a vulnerable pre-installed app with a package name of com.factory.mmigroup (versionCode='3', versionName='2.1) that allows local third-party apps to perform various actions, due to inadequate access control, in its context (system user), but the functionalities exposed depend on the specific device. The following capabilities are exposed to zero-permission, third-party apps on the following devices: arbitrary AT command execution via AT command injection (T-Mobile Revvl 6 Pro 5G, T-Mobile Revvl V+ 5G, and Boost Mobile Celero 5G); programmatic factory reset (Samsung Galaxy A03S, T-Mobile Revvl 6 Pro 5G, T-Mobile Revvl V+ 5G, Boost Mobile Celero, Realme C25Y, and Lenovo Tab M8 HD), leaking IMEI (Samsung Galaxy A03S, T-Mobile Revvl 6 Pro 5G, T-Mobile Revvl V+ 5G, Boost Mobile Celero, and Realme C25Y); leaking serial number (Samsung Galaxy A03s, T-Mobile Revvl 6 Pro 5G, T-Mobile Revvl V+ 5G, Boost Mobile Celero, Realme C25Y, and Lenovo Tab M8 HD); powering off the device (Realme C25Y, Samsung Galaxy A03S, and T-Mobile Revvl 6 Pro 5G); and programmatically enabling/disabling airplane mode (Samsung Galaxy A03S, T-Mobile Revvl 6 Pro 5G, T-Mobile Revvl V+ 5G, Boost Mobile Celero, and Realme C25Y); and enabling Wi-Fi, Bluetooth, and GPS (Samsung Galaxy A03S, T-Mobile Revvl 6 Pro 5G, T-Mobile Revvl V+ 5G, Boost Mobile Celero, and Realme C25Y). No permissions or special privileges are necessary to exploit the vulnerabilities in the com.factory.mmigroup app. No user interaction is required beyond installing and running a third-party app. The software build fingerprints for each confirmed vulnerable device are as follows: Boost Mobile Celero 5G (Celero5G/Jupiter/Jupiter:11/RP1A.200720.011/SW_S98119AA1_V067:user/release-keys, Celero5G/Jupiter/Jupiter:11/RP1A.200720.011/SW_S98119AA1_V064:user/release-keys, Celero5G/Jupiter/Jupiter:11/RP1A.200720.011/SW_S98119AA1_V061:user/release-keys, and Celero5G/Jupiter/Jupiter:11/RP1A.200720.011/SW_S98119AA1_V052:user/release-keys); Samsung Galaxy A03S (samsung/a03sutfn/a03su:13/TP1A.220624.014/S134DLUDU6CWB6:user/release-keys and samsung/a03sutfn/a03su:12/SP1A.210812.016/S134DLUDS5BWA1:user/release-keys); Lenovo Tab M8 HD (Lenovo/LenovoTB-8505F/8505F:10/QP1A.190711.020/S300637_220706_BMP:user/release-keys and Lenovo/LenovoTB-8505F/8505F:10/QP1A.190711.020/S300448_220114_BMP:user/release-keys); T-Mobile Revvl 6 Pro 5G (T-Mobile/Augusta/Augusta:12/SP1A.210812.016/SW_S98121AA1_V070:user/release-keys and T-Mobile/Augusta/Augusta:12/SP1A.210812.016/SW_S98121AA1_V066:user/release-keys); T-Mobile Revvl V+ 5G (T-Mobile/Sprout/Sprout:11/RP1A.200720.011/SW_S98115AA1_V077:user/release-keys and T-Mobile/Sprout/Sprout:11/RP1A.200720.011/SW_S98115AA1_V060:user/release-keys); and Realme C25Y (realme/RMX3269/RED8F6:11/RP1A.201005.001/1675861640000:user/release-keys, realme/RMX3269/RED8F6:11/RP1A.201005.001/1664031768000:user/release-keys, realme/RMX3269/RED8F6:11/RP1A.201005.001/1652814687000:user/release-keys, and realme/RMX3269/RED8F6:11/RP1A.201005.001/1635785712000:user/release-keys). This malicious app sends a broadcast Intent to com.factory.mmigroup/.MMIGroupReceiver. This causes the com.factory.mmigroup app to dynamically register for various action strings. The malicious app can then send these strings, allowing it to perform various behaviors that the com.factory.mmigroup app exposes. The actual behaviors exposed by the com.factory.mmigroup app depend on device model and chipset. The com.factory.mmigroup app executes as the "system" user, allowing it to interact with the baseband processor and perform various other sensitive actions.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.1% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2023-07-14 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2024-04-22 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 06:09 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.1% in the next 30 days (EPSS).
• Severity: 8.4 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2024-04-22 15:15 UTC

Last modified

2026-06-17 06:09 UTC

Exploit probability

1.1% · EPSS, next 30 days

Weakness

CWE-284 · Improper access control

Record status

Deferred

Attack profile CVSS 3.1 · 8.4

Attack vector

Local

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

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