Vulnerability identifier: #VU49995

Vulnerability risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20651

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ELECOM File Manager
Mobile applications / Apps for mobile phones

Vendor: ELECOM CO. ,LTD.

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. A remote attacker can send a specially crafted HTTP request and create an arbitrary file or overwrite an existing file.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

ELECOM File Manager: All versions

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External links
http://jvn.jp/en/jp/JVN98115035/index.html
http://www.elecom.co.jp/news/security/20210126-01/

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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.