CVE-2021-20873
Last modified
CVE-2021-20873 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yappli | Yappli | >= 7.3.6, < 9.30.0 |
References
- https://jvn.jp/en/jp/JVN66422035/index.htmlThird Party Advisory
- https://support.yappli.co.jp/hc/ja/articles/4410249902745Vendor Advisory
- https://jvn.jp/en/jp/JVN66422035/index.htmlThird Party Advisory
- https://support.yappli.co.jp/hc/ja/articles/4410249902745Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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