Vulnerability identifier: #VU49498
Vulnerability risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-321
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SCALANCE X-300
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Siemens
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to affected devices do not create a new unique private key after factory reset. A remote attacker can create a man-in-the-middle situation and decrypt previously captured traffic.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SCALANCE X-300: All versions
External links
http://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.