CVE-2021-33596

CVSS V2 Low 3.5 CVSS V3 Medium 4.1
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.
Overview
  • CVE ID
  • CVE-2021-33596
  • Assigner
  • cve-notifications-us@f-secure.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-05T20:15:09
  • Last Modified Date
  • 2021-08-12T17:50:37
Weakness Enumerations
CWE URL
CWE-1021 http://cwe.mitre.org/data/definitions/1021.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:f-secure:safe:*:*:*:*:*:iphone_os:*:* 1 OR 18.4.272901
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.3
  • Impact Score
  • 1.4
References
Reference URL Reference 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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33596
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33596
History
Created Old Value New Value Data Type Notes
2022-05-10 06:57:30 Added to TrackCVE
2022-12-05 07:29:38 2021-08-05T20:15Z 2021-08-05T20:15:09 CVE Published Date updated
2022-12-05 07:29:38 2021-08-12T17:50:37 CVE Modified Date updated
2022-12-05 07:29:38 Analyzed Vulnerability Status updated