CVE-2020-2499

Name: CVE-2020-2499
Creator: NVD / NIST
Published: 2020-12-24T02:15:12.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2020-2499 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A hard-coded password vulnerability has been reported to affect earlier versions of QES. If exploited, this vulnerability could allow attackers to log in with a hard-coded password. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

A hard-coded password vulnerability has been reported to affect earlier versions of QES. If exploited, this vulnerability could allow attackers to log in with a hard-coded password. QNAP has already fixed the issue in QES 2.1.1 Build 20200515 and later.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

1.36%

68.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qnap	Qes	< 2.1.1
Qnap	Qes	2.1.1

References

https://www.qnap.com/zh-tw/security-advisory/qsa-20-19Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-20-19Vendor Advisory

Timeline

Published: Dec 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-2499?

How severe is CVE-2020-2499?

CVE-2020-2499 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2020-2499?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-2499?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST