CVE-2021-44751

F-Secure SAFE Browser vulnerable to USSD attacks

Medium · published March 25, 2022

CVSS v3.1
4.3
EPSS
1%
Percentile
46.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00575 · 46.7th percentile
Published
2022-03-25T10:32Z
EPSS history
Timeline
  • 25 MAR 10:32Z
    F-Secure SAFE Browser vulnerable to USSD attacks
    cvelistv5