CVE-2020-25032
python-flask-cors - security update
7.5
HIGH
CVSS 3.1
EPSS 0.90%
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.
How to fix CVE-2020-25032
To remediate CVE-2020-25032, upgrade the affected package to a fixed version below.
- Debian/python-flask-cors—upgrade to 3.0.9-1 or later
- —upgrade to 3.0.7-1+deb10u1 or later
- —upgrade to 3.0.9 or later
- —upgrade to 3.0.9 or later
Is CVE-2020-25032 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 3.0.9-1
- from 0, < 3.0.7-1+deb10u1
- from 0, < 3.0.9
- from 0, < 3.0.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |