Vulnerability Details : CVE-2021-40834
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.
Products affected by CVE-2021-40834
- cpe:2.3:a:f-secure:safe:*:*:*:*:*:android:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40834
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40834
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L |
0.9
|
3.4
|
F-Secure | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-40834
-
The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-40834
-
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
Hall of Fame | F-SecureVendor Advisory
-
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40834
CVE-2021-40834 | F-SecureVendor Advisory
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