What is CVE-2020-2493?

CVE-2020-2493 is a medium-severity vulnerability in QNAP Multimedia Console, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-12-10.

How severe is CVE-2020-2493?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in QNAP Multimedia Console

CVE-2020-2493

This cross-site scripting vulnerability in Multimedia Console allows remote attackers to inject malicious code. QANP have already fixed this vulnerability in Multimedia Console 1.1.5 and later.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-12-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

QNAP Multimedia Console
QNAP Systems Inc. Multimedia Console — versions < 1.1.5

Weakness classification (CWE)

References

www.qnap.com/en/security-advisory/qsa-20-14 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-2493?: CVE-2020-2493 is a medium-severity vulnerability in QNAP Multimedia Console, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-12-10.
How severe is CVE-2020-2493?: Medium severity. CVSS v3 base score is 6.1 out of 10.