CVE-2021-34761

Published Oct 27, 2021

Last updated a year ago

Overview

Description
A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.
Source
ykramarz@cisco.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
6
Impact score
5.2
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
6.6
Impact score
9.2
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:N/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-668
ykramarz@cisco.com
CWE-73

Social media

Hype score
Not currently trending

Configurations