CVE-2018-0302

HIGH

Cisco FXOS and UCS Fabric Interconnect - Authenticated Buffer Overflow via CLI Parser

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 7.8
EPSS 0.0043
EPSS Percentile 34.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-20
Status published
Products (2)
cisco/firepower_extensible_operating_system 1.1 - 1.1.4.169
cisco/nx-os 3.1\(1k\)a
Published Jun 21, 2018
Tracked Since Feb 18, 2026