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CVE-2021-33595— F-Secure Safe browser for iOS vulnerable to Address Bar Spoofing

Quick assessment

Affected
F-Secure F-Secure Mobile Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

F-secure F-Secure SAFE是芬兰F-Secure（F-secure）公司的一套杀毒软件。 F-secure Safe Browser 中存在安全漏洞，该漏洞源于产品实现存在缺陷。当用户点击恶意链接时，浏览器地址栏会展示一个合法URL但是会展示恶意链接的内容。 以下产品及版本受到影响: F-Secure SAFE Browser 18.3.x 版本及之前版本。

CVSS 3.5 · Low EPSS 1.07% · P62

Possible ATT&CK Techniques 1 AI

T1592 · Gather Victim Host Information
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I. Basic Information for CVE-2021-33595

Vulnerability Information
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Vulnerability Title
F-Secure Safe browser for iOS vulnerable to Address Bar Spoofing
Source: CVE Program / CVE List V5
Vulnerability Description
A address bar spoofing vulnerability was discovered in Safe Browser for iOS. 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. A remote attacker can leverage this to perform address bar spoofing attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
F-secure Safe 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F-secure F-Secure SAFE是芬兰F-Secure（F-secure）公司的一套杀毒软件。 F-secure Safe Browser 中存在安全漏洞，该漏洞源于产品实现存在缺陷。当用户点击恶意链接时，浏览器地址栏会展示一个合法URL但是会展示恶意链接的内容。 以下产品及版本受到影响: F-Secure SAFE Browser 18.3.x 版本及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
F-Secure F-Secure Mobile Security 18.4x ~ 18.3x* -

II. Public POCs for CVE-2021-33595

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III. Intelligence Information for CVE-2021-33595

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Other References for CVE-2021-33595 (3)

IV. Related Vulnerabilities

Same product: F-Secure Mobile Security
Same vendor: F-Secure

V. Comments for CVE-2021-33595

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