CVE-2021-21894

Published Dec 22, 2021

Last updated 2 years ago

Overview

Description
A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary file overwrite FsTFtp file disclosure. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Source
talos-cna@cisco.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
9.1
Impact score
6
Exploitability score
2.3
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity
CRITICAL

CVSS 3.0

Type
Secondary
Base score
9.1
Impact score
6
Exploitability score
2.3
Vector string
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
6.5
Impact score
6.4
Exploitability score
8
Vector string
AV:N/AC:L/Au:S/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-22
talos-cna@cisco.com
CWE-22

Social media

Hype score
Not currently trending

Configurations