Vulnerability identifier: #VU49087

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26274

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
systeminformation
Web applications / Modules and components for CMS

Vendor: Sebastian Hildebrandt

Description

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

The vulnerability exists due to improper input validation in the inetLatency() command. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

systeminformation: 4.0.6 - 4.31.0, 3.42.5 - 3.52.1

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External links
http://github.com/sebhildebrandt/systeminformation/commit/1faadcbf68f1b1fdd5eb2054f68fc932be32ac99
http://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-m57p-p67h-mq74
http://www.npmjs.com/package/systeminformation

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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.