CVE-2018-19943: QNAP NAS File Station Cross-Site Scripting Vulnerability

Description

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)22.7% · higher than 98% of CVEs

Exploited in the wildYes

CISA KEVListed May 24, 2022

Federal remediation dueJun 14, 2022

Ransomware campaign useKnown

Affected products

Which versions

QT

QTS · QNAP Systems Inc.

before 4.4.2.1270; before 4.4.1.1261; before 4.3.6.1263; before 4.3.4.1282; before 4.3.3.1252; before 4.2.6 · source: vendor, NVD

NA

Network Attached Storage (NAS) · QNAP

All versions, or not specified · source: KEV