Vulnerability in F-Secure Safe Browser For Android Version 18.5 & Below

CVE-2021-44751

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.

EPSS: 0.006 (45.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-44751?
CVE-2021-44751 is a medium-severity vulnerability in F-Secure Safe Browser For Android Version 18.5 & Below, classified under Incorrect Default Permissions. CVSS score: 4.3/10. Published 2022-03-25.
How severe is CVE-2021-44751?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-44751 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.