Vulnerability identifier: #VU54870
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-732
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
SIMATIC PCS 7
Server applications /
SCADA systems
SIMATIC PDM
Server applications /
SCADA systems
SIMATIC STEP 7
Server applications /
SCADA systems
SINAMICS STARTER
Other software /
Other software solutions
Vendor: Siemens
Description
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to incorrect permission assignment for critical resource. A local user can change the content of certain metafiles and subsequently manipulate parameters or the behavior of devices that would be later configured by the affected software.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SIMATIC PCS 7: 8.2 - 9.0
SIMATIC PDM: All versions
SINAMICS STARTER: All versions
External links
http://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf
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.