CVE-2019-12479
A Path Traversal vulnerability in the TwentyTwenty.Storage library in the LocalStorageProvider allows creating and reading files outside of the specified basepath.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 2.01% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- twentytwenty.storage project/twentytwenty.storage
- Source
- cve@mitre.org
EPSS 2.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://security401.com/twentytwenty-storage-path-traversal/Exploit, Third Party Advisory
- https://security401.com/twentytwenty-storage-path-traversal/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.