Content-origin spoofing via mismatched address-bar URL
Published Aug 11, 2021 · Updated Aug 3, 2024
Address bar spoofing in F-Secure Safe Browser for iOS 18.3.x and earlier allows remote attackers to misrepresent content origins. The address bar retains a legitimate URL while the browser loads content from another domain, falsely presenting attacker-controlled content as trusted. Exploitation requires a victim to interact with the attack mechanism; the documented effect is deceptive origin display, not data access or service interruption.
Summary
What happened
Address bar spoofing in F-Secure Safe Browser for iOS 18.3.x and earlier allows remote attackers to misrepresent content origins. The address bar retains a legitimate URL while the browser loads content from another domain, falsely presenting attacker-controlled content as trusted. Exploitation requires a victim to interact with the attack mechanism; the documented effect is deceptive origin display, not data access or service interruption.
The record
- CVE
- CVE-2021-33595
- Published
- Aug 11, 2021
- Updated
- Aug 3, 2024
- Vendor
- F-Secure
- Product
- F-Secure Mobile Security
- Classifications
- Unavailable
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 11, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=18.4x <18.3x*
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
No sourced classifications are available.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo