A vulnerability in the CLI parser of Cisco FXOS Software and Cisco UCS Fabric Interconnect Software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to incorrect input validation in the CLI parser subsystem. An attacker could exploit this vulnerability by exceeding the expected length of user input. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the affected system. This vulnerability affects Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvb61099, CSCvb86743.

Published : 2018-06-21 11:29 Updated : 2019-10-09 23:31

CVSS Score More info
Score 7.2 / 10
Vendor Product Version URI
Cisco Nx-os 3.1%281k%29a cpe:/o:cisco:nx-os:3.1%281k%29a
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ID Name Description Links
CWE-20 Improper Input Validation The product does not validate or incorrectly validates input that can affect the control flow or data flow of a program. CVE
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. CVE

History of changes

Date Event
2018-08-20 19:46
2018-06-21 11:29