CVE-2021-33596: f-secure f-secure mobile security
Vulnerability summary
CVE-2021-33596 is a medium (CVSS 4.1) vulnerability in f-secure f-secure mobile security. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.7% of scored vulnerabilities.
Timeline
- 05-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA3.5LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.80% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F-secure2 products
- f-secure mobile security≥ 18.3x, < 18.4x
- safe< 18.4.272901
1 vendor · 2 products
References
3 links- www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameX Refsource MISCVendor Advisory
- www.f-secure.com/en/business/support-and-downloads/security-advisoriesX Refsource MISCVendor Advisory
- www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596X Refsource MISCVendor Advisory