#VU83179 Overly permissive cross-domain whitelist in SIMATIC PCS neo


Published: 2023-11-15

Vulnerability identifier: #VU83179

Vulnerability risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-46098

CWE-ID: CWE-942

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
SIMATIC PCS neo
Web applications / Other software

Vendor:

Description

The vulnerability allows a remote attacker to bypass the CORS protection mechanism.

The vulnerability exists due to incorrect processing of the "Origin" HTTP header that is supplied within HTTP request when accessing the Information Server. A remote attacker on the local network can trick a victim to trigger unwanted behavior

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://cert-portal.siemens.com/productcert/pdf/ssa-456933.pdf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability