#VU47918 Input validation error in strapi - CVE-2020-27664

Vulnerability identifier: #VU47918

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-27664

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
strapi
Web applications / CMS

Vendor: strapi.io

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to unwanted /proxy?url= functionality in "admin/src/containers/InputModalStepperProvider/index.js".

Mitigation
Install updates from vendor's website.

Vulnerable software versions

strapi: 3.2.0 - 3.2.4

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External links
https://github.com/strapi/strapi/pull/8442
https://github.com/strapi/strapi/releases/tag/v3.2.5

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.