Vulnerability identifier: #VU52211

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-2020-25243

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LOGO! Soft Comfort
Client/Desktop applications / Other client software

Vendor: Siemens

Description

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

The vulnerability exists due to input validation error while importing a compromised project file. A remote attacker can send a specially crafted HTTP request, leading to the execution of commands on the system.

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

Vulnerable software versions

LOGO! Soft Comfort: All versions

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External links
http://ics-cert.us-cert.gov/advisories/icsa-21-103-09
http://cert-portal.siemens.com/productcert/pdf/ssa-983300.pdf

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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.