CVE-2024-36437 Missing authorization in n/a
Any installed Android app can trigger phone calls without user interaction via a crafted intent, bypassing authorization checks in the TextNow application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-36437?
CVE-2024-36437 is a medium-severity missing authorization vulnerability in n/a, published on 3 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The com.enflick.android.TextNow (aka TextNow: Call + Text Unlimited) application 24.17.0.2 for Android enables any installed application (with no permissions) to place phone calls without user interaction by sending a crafted intent via the com.enflick.android.TextNow.activities.DialerActivity component.
Weakness: CWE-926
Which versions are affected by CVE-2024-36437?
How do I fix CVE-2024-36437?
No fix has been published for CVE-2024-36437 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-36437 being exploited?
There is no known exploitation of CVE-2024-36437 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-q8p5-49qg-m9wx.