QNAP QTS prior 4.4.2.1231 cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability classified as problematic was found in QNAP QTS (Network Attached Storage Software). Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was published 10/29/2020. It is possible to read the advisory at qnap.com. This vulnerability is known as CVE-2018-19953. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The CISA Known Exploited Vulnerabilities Catalog lists this issue since 05/24/2022 with a due date of 06/14/2022:

Apply updates per vendor instructions.

Upgrading to version 4.2.6, 4.3.3.1161, 4.3.4.1190, 4.3.6.1218, 4.4.1.1201 or 4.4.2.1231 eliminates this vulnerability.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QTS 4.2.6/4.3.3.1161/4.3.4.1190/4.3.6.1218/4.4.1.1201/4.4.2.1231

Timelineinfo

12/07/2018 🔍
10/29/2020 +692 days 🔍
10/29/2020 +0 days 🔍
11/30/2020 +32 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qnap.com
Status: Confirmed

CVE: CVE-2018-19953 (🔍)

Entryinfo

Created: 10/29/2020 07:35
Updated: 11/30/2020 07:01
Changes: 10/29/2020 07:35 (37), 11/30/2020 06:58 (2), 11/30/2020 07:01 (18)
Complete: 🔍

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