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cve[email protected]CVE-2021-33596
HistoryAug 05, 2021 - 8:15 p.m.

CVE-2021-33596

2021-08-0520:15:09
CWE-1021
web.nvd.nist.gov
17
5
cve-2021-33596
url spoofing
f-secure safe browser
ios
security vulnerability

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

4.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.0%

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.

Affected configurations

NVD
Node
f-securesafeRange<18.4.272901iphone_os

CNA Affected

[
  {
    "platforms": [
      "iOS"
    ],
    "product": "F-Secure Mobile Security",
    "vendor": "F-Secure",
    "versions": [
      {
        "lessThan": "18.4x",
        "status": "affected",
        "version": "18.3x",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

4.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.0%

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