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CVE-2020-2503 Details

Description

If exploited, this stored cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.qnap.com/zh-tw/security-advisory/qsa-20-17	CVE	Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-20-17	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]
CWE-749	Exposed Dangerous Method or Function	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]
CWE-80	Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)	[email protected]

Affected Products

Product	Versions
qnap qes	< 2.1.1 2.1.1 - 2.1.1 build_20200211 2.1.1 build_20200303 2.1.1 build_20200319
CPE cpe:2.3:a:qnap:qes:::::::: cpe:2.3:a:qnap:qes:2.1.1:-:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200211:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200303:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200319:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200424:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200515:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200811:::::: Remediation No remediation found in references.

Product

Versions

qnap qes

< 2.1.1

2.1.1 -

2.1.1 build_20200211

2.1.1 build_20200303

2.1.1 build_20200319

CPE

cpe:2.3:a:qnap:qes:*:*:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:-:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:build_20200211:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:build_20200303:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:build_20200319:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:build_20200424:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:build_20200515:*:*:*:*:*:*
cpe:2.3:a:qnap:qes:2.1.1:build_20200811:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 28, 2020	Initial Analysis	[email protected]