VULNERABILITY INTELLIGENCE
CVE-2021-40834
CVSS score4.3 MEDIUM
EPSS probability0.75%
CISA KEVNot currently listed
Published2021-12-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Description
A user interface overlay vulnerability was discovered in F-secure SAFE Browser for Android. When user click on a specially crafted seemingly legitimate URL SAFE browser goes into full screen and hides the user interface. A remote attacker can leverage this to perform spoofing attack.
Weakness classification
- nvd@nist.gov: CWE-1021
Primary references
- cve-notifications-us@f-secure.com — Vendor Advisory
- cve-notifications-us@f-secure.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory