CVE-2021-33596

Fake Apple login prompt in F-Secure SAFE browser for iOS

Description

Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS.

Remediation

Solution:

  • Upgrade to version 18.4.x or newer from the App Store

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory f-secure.com Vendor Advisory f-secure.com Vendor Advisory f-secure.com
Affected: F-Secure F-Secure Mobile Security
Published at:
Updated at:

References

Link Tags
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame vendor advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories vendor advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33596?
CVE-2021-33596 has been scored as a low severity vulnerability.
How to fix CVE-2021-33596?
To fix CVE-2021-33596: Upgrade to version 18.4.x or newer from the App Store
Is CVE-2021-33596 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33596 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33596?
CVE-2021-33596 affects F-Secure F-Secure Mobile Security.
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