CVE-2018-19945

Published Dec 31, 2020

Last updated 5 days ago

Overview

Description
A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.
Source
security@qnapsecurity.com.tw
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
9.1
Impact score
5.2
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
8.5
Impact score
7.8
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:N/I:P/A:C

Weaknesses

security@qnapsecurity.com.tw
CWE-20
nvd@nist.gov
CWE-22

Social media

Hype score
Not currently trending

Configurations