CVE-2021-36215

Name: CVE-2021-36215
Creator: NVD / NIST
Published: 2021-09-08T18:15:19.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2021-36215 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. LINE client for iOS 10.21.3 and before allows address bar spoofing due to inappropriate address handling.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

LINE client for iOS 10.21.3 and before allows address bar spoofing due to inappropriate address handling.

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

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Linecorp	Line	<= 10.21.3

References

https://hackerone.com/reports/1082991Permissions Required
https://hackerone.com/reports/1082991Permissions Required

Timeline

Published: Sep 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36215?

LINE client for iOS 10.21.3 and before allows address bar spoofing due to inappropriate address handling.

How severe is CVE-2021-36215?

CVE-2021-36215 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36215?

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-2021-36215?

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

Scan your code now

Source: NVD / NIST