CVE-2019-12479: Twentytwenty.storage Project Twentytwenty.storage

Critical severity, CVSS 9.1. EPSS: 2% chance of exploitation in the next 30 days.

An issue was discovered in 20|20 Storage 2.11.0. A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath. If the application using this library does not sanitize user-supplied filenames, then this issue may be exploited to read or write arbitrary files. This affects LocalStorageProvider.cs.

Affected products

• Twentytwenty.storage Project Twentytwenty.storage: version 2.11.0 only

Published 2019-08-13. Last modified 2026-06-17.