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Use of Hard-coded Cryptographic Key in Siemens SIMATIC IT UADM



Published: 2019-10-11
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-13929
CWE ID CWE-321
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SIMATIC IT UA Discrete Manufacturing
Server applications / SCADA systems

Vendor Siemens

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Use of Hard-coded Cryptographic Key

Severity: Medium

CVSSv3: 5.9 [CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-13929

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

Exploit availability: No

Description

The vulnerability allows a remote attacker to disclose sensitive information on the target system.

The vulnerability exists due to insufficient key management. A remote authenticated attacker can recover a password over Port 1434/TCP and gain read/write access to the related TeamCenter station.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC IT UA Discrete Manufacturing: -

CPE External links

https://cert-portal.siemens.com/productcert/pdf/ssa-984700.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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