Vulnerability identifier: #VU45632

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-2020-10055

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Desigo CC
Server applications / SCADA systems
Desigo CC Compact
Server applications / SCADA systems

Vendor: Siemens

Description

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

The vulnerability exists due to improper input validation if the advanced reporting engine is enabled. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

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

This vulnerability affects the following versions:

• Desigo CC: Versions 3.x and 4.x
• Desigo CC Compact: Versions 3.x and 4.x

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Desigo CC: All versions

Desigo CC Compact: All versions

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-224-06
http://cert-portal.siemens.com/productcert/pdf/ssa-786743.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.