CVE-2020-2503

Stored cross-site scripting vulnerability in QES

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.

Remediation

Solution:

  • QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Vendor Advisory qnap.com
Affected: QNAP Systems Inc. QES
Published at:
Updated at:

References

Link Tags
https://www.qnap.com/zh-tw/security-advisory/qsa-20-17 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-2503?
CVE-2020-2503 has been scored as a critical severity vulnerability.
How to fix CVE-2020-2503?
To fix CVE-2020-2503: QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.
Is CVE-2020-2503 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-2503 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-2503?
CVE-2020-2503 affects QNAP Systems Inc. QES.
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