#VU7269 Remote code execution in Viewport for Web Office Portal - CVE-2017-6869

Vulnerability identifier: #VU7269

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-6869

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Viewport for Web Office Portal
Client/Desktop applications / Other client software

Vendor: Siemens

Description
The vulnerability allows a remote attacker to execute arbitrary code.

The weakness exists due to improper input validation. A remote attacker can send specially crafted network packets to ports 443/TCP or 80/TCP and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
The vulnerability is addressed in software revision number 1453.

Vulnerable software versions

Viewport for Web Office Portal: All versions

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External links
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-545214.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.