Vulnerability Report

CVE-2021-33596

Title: URL spoofing via malicious redirect

Spoofing

Proof Of Concept

No public PoC currently indexed for CVE-2021-33596.

CWE Category CWE-1021
Published Date Aug 05, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 3.5 CVSS v3.1
Exploit Probability (EPSS)
0.80%

Vulnerability Summary

CVE-2021-33596: 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.

Impacted Vendors

R
rafael_garcia-suarez 1
F
f-secure 1

Reference Links

https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame https://www.f-secure.com/en/business/support-and-downloads/security-advisories https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596 https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame https://www.f-secure.com/en/business/support-and-downloads/security-advisories https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
CVSS v3.1
Source Entity [email protected]
Severity LOW
3.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
3.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-33596 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

Affected Stack

No specific products linked.