Vulnerability identifier: #VU48982

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5683

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GROWI
Web applications / CMS

Vendor: WESEEK, Inc.

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences during file upload. A remote attacker can trick the victim to upload a specially crafted file and overwrite certain files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GROWI: 3.0.2 - 4.2.2

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External links
http://jvn.jp/en/jp/JVN94169589/index.html
http://jvndb.jvn.jp/en/contents/2020/JVNDB-2020-000085.html

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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.