Vulnerability identifier: #VU74816
Vulnerability risk: High
CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-73
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
TIA Portal
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to create or overwrite arbitrary files.
The vulnerability exists due to improper input validation of path names inside PC system configuration files. A remote attacker can trick the victim to open a specially crafted PC system configuration file and create or overwrite arbitrary files on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
TIA Portal: 15 - 18
External links
http://cert-portal.siemens.com/productcert/txt/ssa-116924.txt
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.