6.1

CVE-2020-2496: Cross-site scripting vulnerability in QTS and QuTS hero

Modified
Published 10-12-2020Last modified 17-09-2024

Vulnerability summary

CVE-2020-2496 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in qnap systems inc. qts. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 63.1% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
1.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 10-12-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.02%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.02% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap2 products
  • qts< 4.5.1.1456 | < 4.4.3.1354 | < 4.3.6.1333 | < 4.3.4.1368 | < 4.3.3.1315 | < 4.2.6
  • quts_hero< 4.5.1.1472
Qnap systems inc.2 products
  • qts< 4.5.1.1456 | < 4.4.3.1354 | < 4.3.6.1333 | < 4.3.4.1368 | < 4.3.3.1315 | < 4.2.6
  • quts hero< h4.5.1.1472

2 vendors · 4 products

References

1 links