CVEvulnerability
CVE-2020-25032
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-08-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-22
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.
Affected configurations
• flask-cors project flask-cors (< 3.0.9)
• debian debian linux 10.0
• opensuse backports sle 15.0
• opensuse leap 15.1
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html Mailing List, Third Party Advisory
- https://github.com/corydolphin/flask-cors/releases/tag/3.0.9 Third Party Advisory
- https://www.debian.org/security/2020/dsa-4775 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html Mailing List, Third Party Advisory
- https://github.com/corydolphin/flask-cors/releases/tag/3.0.9 Third Party Advisory
- https://www.debian.org/security/2020/dsa-4775 Third Party Advisory