high
7.5
CWE
22
Advisory Published
Advisory Published
Updated

CVE-2020-25032: Path Traversal

First published: Mon Aug 31 2020(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
pip/Flask-Cors<3.0.9
3.0.9
debian/python-flask-cors<=3.0.8-2<=3.0.7-1
3.0.7-1+deb10u1
3.0.9-1
debian/python-flask-cors
3.0.7-1+deb10u1
3.0.9-2
3.0.10-2
4.0.0-1
Flask-cors Project Flask-cors<3.0.9
Debian Debian Linux=10.0
openSUSE Backports SLE=15.0-sp1
openSUSE Backports SLE=15.0-sp2
openSUSE Leap=15.1
openSUSE Leap=15.2
<3.0.9
=10.0
=15.0-sp1
=15.0-sp2
=15.1
=15.2

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-25032?

    CVE-2020-25032 is a vulnerability in Flask-CORS (CORS Middleware for Flask) before version 3.0.9 that allows directory traversal to access private resources.

  • How severe is CVE-2020-25032?

    CVE-2020-25032 has a severity rating of 7.5 (High).

  • What is the affected software for CVE-2020-25032?

    The affected software includes Flask-CORS before version 3.0.9 and python-flask-cors packages with specific versions in Debian and openSUSE Backports SLE.

  • How do I fix CVE-2020-25032?

    To fix CVE-2020-25032, update Flask-CORS to version 3.0.9 and python-flask-cors packages to the recommended versions.

  • Where can I find more information about CVE-2020-25032?

    You can find more information about CVE-2020-25032 at the following references: [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-25032), [GitHub Commit](https://github.com/corydolphin/flask-cors/commit/67c4b2cc98ae87cf1fa7df4f97fd81b40c79b895), [GitHub Releases](https://github.com/corydolphin/flask-cors/releases/tag/3.0.9)

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