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Medium severity · published Aug 5, 2021
CVE-2021-33596
Showing the legitimate URL in the address bar while loading the content from other domain
4.1
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Safe · F-secure
before 18.4.272901 · source: NVD
Affected product
SA
Safe
F-secure
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33596
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33596
Vendor Advisory
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
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