CVE-2021-40834

User interface Spoofing in F-Secure SAFE browser for Android

CVSS 4.3 MEDIUMEPSS 0.7%

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.3EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

10 Dec 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L

Affected products

F-Secure · F-Secure Mobile Security

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References

https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40834