#VU77539 Arbitrary file upload in express-fileupload


Published: 2023-06-20

Vulnerability identifier: #VU77539

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-27261

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
express-fileupload
Web applications / Modules and components for CMS

Vendor: romon2002

Description

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

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

express-fileupload: 1.3.1


External links
http://www.npmjs.com/package/express-fileupload
http://www.youtube.com/watch?v=3ROHB3ck4tA


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.


Latest bulletins with this vulnerability