CVE-2020-2503 CRITICAL

CVE-2020-2503: Stored cross-site scripting vulnerability in QES

Vendor Qnap Systems Inc.
Product QES
Weakness CWE-79 · XSS
Published December 24, 2020
Last update September 17, 2024

CVSS base score

9.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 24, 2020 CVE published
September 17, 2024 Record updated