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.

References

Advisories

https://www.debian.org/security/2020/dsa-4775

https://github.com/corydolphin/flask-cors/releases/tag/3.0.9

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html

Details

Source: Mitre, NVD

Published: 2020-08-31

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

CVSS v4

Base Score: 8.7

Vector: 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