CVE-2019-20801

An issue was discovered in the Readdle Documents app before 6.9.7 for iOS. The application's file-transfer web server allows for cross-origin requests from any domain, and the WebSocket server lacks authorization control. Any web site can execute JavaScript code (that accesses a user's data) via cross-origin requests.

• CWE-862
• CWE-863

• https://apps.apple.com/us/app/documents-by-readdle/id364901807Product, Release Notes
• https://logicaltrust.net/blog/2019/12/documents.html#authorizationExploit, Third Party Advisory
• https://apps.apple.com/us/app/documents-by-readdle/id364901807Product, Release Notes
• https://logicaltrust.net/blog/2019/12/documents.html#authorizationExploit, Third Party Advisory

Published

May 18, 2020

Last Modified

Jun 17, 2026

Status

Modified

• Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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