Vulnerability identifier: #VU26325

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-5561

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Keijiban Tsumiki
Web applications / Forum & blogging software

Vendor: Mash room - Free CGI -

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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

Vulnerable software versions

Keijiban Tsumiki: 1.15

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External links
http://jvn.jp/en/jp/JVN88277644/index.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.