Vulnerability identifier: #VU13447
Vulnerability risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco NX-OS
Operating systems & Components /
Operating system
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the Cisco Fabric Services component due to insufficient validation of Cisco Fabric Services packets. A remote attacker can send a specially crafted Cisco Fabric Services packet, trigger a NULL pointer dereference and cause the service to crash.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Cisco NX-OS: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-fx-os-fabric...
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.