CVE-2020-25032
High
Description
An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Flask-cors
PublishedAug 31, 2020
First seenAug 31, 2020
How to fix
Update
- flask-cors_project flask-cors3.0.9 or later
- flask-cors3.0.9 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| flask-cors_project flask-cors | v < 3.0.9 | 3.0.9 |
| debian debian_linux | 10.0 | — |
| opensuse backports_sle | 15.0 | — |
| opensuse leap | 15.1, 15.2 | — |
| flask-corsPyPI | v < 3.0.9 | 3.0.9 |
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