CVE-2021-33593

Name: CVE-2021-33593
Creator: NVD / NIST
Published: 2021-11-02T07:15:07.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2021-33593 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Whale browser for iOS before 1.14.0 has an inconsistent user interface issue that allows an attacker to obfuscate the address bar which may lead to address bar spoofing.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

Whale browser for iOS before 1.14.0 has an inconsistent user interface issue that allows an attacker to obfuscate the address bar which may lead to address bar spoofing.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.69%

47.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-451

Affected Software

Vendor	Product	Versions
Navercorp	Whale	< 1.14.0

References

https://cve.naver.com/detail/cve-2021-43059Broken Link, Not Applicable
https://cve.naver.com/detail/cve-2021-43059Broken Link, Not Applicable

Timeline

Published: Nov 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33593?

Whale browser for iOS before 1.14.0 has an inconsistent user interface issue that allows an attacker to obfuscate the address bar which may lead to address bar spoofing.

How severe is CVE-2021-33593?

CVE-2021-33593 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33593?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33593?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST