Vulnerability identifier: #VU53228
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-682
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SCALANCE XM-400
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XR-500
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor:
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation issue. A remote attacker can send a specially crafted OSPF packet and cause a denial of service condition.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf
http://us-cert.cisa.gov/ics/advisories/icsa-21-131-10
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.