Path Traversal in Twentytwenty.storage Project

CVE-2019-12479

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.020 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-12479?
CVE-2019-12479 is a critical-severity vulnerability in Twentytwenty.storage Project, classified under Path Traversal. CVSS score: 9.1/10. Published 2019-08-13.
How severe is CVE-2019-12479?
Critical severity. CVSS v3 base score is 9.1 out of 10.