CVE-2024-36064Public exploit

Unauthorized calls via permissionless crafted intents

Published Nov 7, 2024 · Updated Nov 8, 2024

Improper access control in NLL APPS ACR Phone 0.330-playStore-NoAccessibility-arm8 and earlier allows local users to place unauthorized calls. The exported com.nll.cb.dialer.dialer.DialerActivity accepts a crafted ACTION_CALL intent and initiates its tel URI without enforcing CALL_PHONE permission. Any installed application can trigger a call without permissions or user interaction, allowing unauthorized dialing and associated carrier charges.

CVSS severity6.2
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in NLL APPS ACR Phone 0.330-playStore-NoAccessibility-arm8 and earlier allows local users to place unauthorized calls. The exported com.nll.cb.dialer.dialer.DialerActivity accepts a crafted ACTION_CALL intent and initiates its tel URI without enforcing CALL_PHONE permission. Any installed application can trigger a call without permissions or user interaction, allowing unauthorized dialing and associated carrier charges.

The record

CVE
CVE-2024-36064
Published
Nov 7, 2024
Updated
Nov 8, 2024
Vendor
NLL APPS
Product
ACR Phone
Classifications
T1616
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 8, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=0.330-playStore-NoAccessibility-arm8 for Android

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

NLL APPS · ACR Phoneversion=0 <=0.330-playStore-NoAccessibility-arm8 for Android

Published CVSS scores

6.2NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1616Call Control

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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