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01 Record

CVE-2020-2496

Cross-site scripting vulnerability in QTS and QuTS hero

UnratedPUBLISHEDCNA: qnap
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Cross-site scripting vulnerability in QTS and QuTS hero

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.02% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 63.3% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-12-10 03:41Z5 YR AGO
Last updated
2024-09-17 02:20Z2 YR AGO
Reserved
2019-12-09
Assigning CNA
qnap
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
  • CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)Variant
Data version
5.1
Document digest
ff23cf3569a80ef72e011d31105166336c9f0d4a96aaa52cb69ea28c1c81cbbe

05 Affected products

VendorProductVersionsPlatforms
QNAP Systems Inc.QTS< 4.5.1.1456, < 4.4.3.1354, < 4.3.6.1333, < 4.3.4.1368, < 4.3.3.1315, < 4.2.6—
QNAP Systems Inc.QuTS hero< h4.5.1.1472—

06 References

07 Remediation

QNAP 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