#VU91990 Creation of temporary file in directory with insecure permissions in TIA Administrator (TIA Portal)


Vulnerability identifier: #VU91990

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38533

CWE-ID: CWE-379

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
TIA Administrator (TIA Portal)
Server applications / SCADA systems

Vendor:

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected component creates temporary download files in a directory with insecure permissions. A local user can disrupt the update process.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://cert-portal.siemens.com/productcert/html/ssa-319319.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability