CVE-2020-25032

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/corydolphin/flask-cors/releases/tag/3.0.9	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://www.debian.org/security/2020/dsa-4775	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:flask-cors_project:flask-cors:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::
	cpe:2.3:a:opensuse:backports_sle:15.0:sp2::::::
	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:o:opensuse:leap:15.2:::::::*

Information

Published : 2020-08-30 21:15

Updated : 2022-04-28 11:28

NVD link : CVE-2020-25032

Mitre link : CVE-2020-25032

JSON object : View

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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Products Affected

debian

debian_linux

opensuse

backports_sle
leap

flask-cors_project

flask-cors

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