#VU58378 Arbitrary file upload in baserCMS


Published: 2021-11-26

Vulnerability identifier: #VU58378

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41279

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
baserCMS
Web applications / CMS

Vendor: baserproject

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

baserCMS: 4.5.0 - 4.5.3


External links
http://jvn.jp/en/jp/JVN81376414/index.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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