Vulnerability identifier: #VU21193
Vulnerability risk: Low
CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-352
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SINEMA Remote Connect Server
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin in some parts of the web application. A remote attacker who is able to trigger requests of a logged-in user to the application can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as switching the connectivity state of a user or a device.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SINEMA Remote Connect Server: All versions
External links
http://cert-portal.siemens.com/productcert/pdf/ssa-884497.pdf
http://www.us-cert.gov/ics/advisories/icsa-19-260-02
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.