Is CVE-2021-44751 actively exploited?

No active exploitation of CVE-2021-44751 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-44751 be exploited remotely?

Yes. CVE-2021-44751 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-44751?

CVE-2021-44751 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2021-44751

CWE-276Published: March 25, 2022· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

A vulnerability affecting F-Secure SAFE browser was discovered. A maliciously crafted website attached with USSD code in JavaScript or iFrame can trigger dialer application from F-Secure browser which can be exploited by an attacker to send unwanted USSD messages or perform unwanted calls. In most modern Android OS, dialer application will require user interaction, however, some older Android OS may not need user interaction.

NVD Source

Technical Analysis

CVE-2021-44751 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.