Vulnerability identifier: #VU75701

Vulnerability risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-22621

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
strapi
Web applications / CMS

Vendor: strapi.io

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to authenticated Server-Side Template Injection (SSTI) issue. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

strapi: 4.5.0 - 4.5.5

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External links
http://www.ghostccamm.com/blog/multi_strapi_vulns/
http://github.com/strapi/strapi/releases
http://strapi.io/blog/security-disclosure-of-vulnerabilities-cve

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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. However, proof of concept for this vulnerability is available.