#VU51842 Path traversal in Archive collectively operation utility - CVE-2021-20692

Vulnerability identifier: #VU51842

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-20692

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Archive collectively operation utility
Web applications / Modules and components for CMS

Vendor: EikiSoft

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 when extracting from ZIP archives. A remote attacker can send a specially crafted HTTP request and overwrite arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Archive collectively operation utility: 2.10.1.0

---

External links
https://jvn.jp/en/jp/JVN73236007/index.html
https://www.eikisoft.com/release01.html

---

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.