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CVE-2021-20873

HIGH

8.1

Description

Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL.

CVE Details

CVSS v3.1 Score8.1

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published12/28/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

yappli:yappli

Weaknesses (CWE)

CWE-862

References

https://jvn.jp/en/jp/JVN66422035/index.html(vultures@jpcert.or.jp)

https://support.yappli.co.jp/hc/ja/articles/4410249902745(vultures@jpcert.or.jp)

https://jvn.jp/en/jp/JVN66422035/index.html(af854a3a-2127-422b-91ae-364da2661108)

https://support.yappli.co.jp/hc/ja/articles/4410249902745(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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