Cross-site request forgery in Siemens SIMATIC S7-1200

1) Cross-site request forgery

EUVDB-ID: #VU15302

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-13800

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to perform CSRF attack.

The weakness exists due to insufficient CSRF protections. A remote attacker can create a specially crafted HTML page or URL, trick the victim into visiting it, gain access to the system and perform arbitrary actions.

Mitigation

Update to version 4.2.3.

Vulnerable software versions

SIMATIC S7-1200: 4.0 - 4.1.2

External links

http://cert-portal.siemens.com/productcert/pdf/ssa-507847.pdf

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.