CVE-2020-4024

lowpriority · track · 22EPSS 0.009 · 60 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.93% (60th) EPSS

CVSS 3.5 · low

Is it mine?

11 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

The attachment download resource in Atlassian Jira Server and Data Center before 8.5.5, and from 8.6.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability issue attachments with a vnd.wap.xhtml+xml content type.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (11)

Products and version ranges known to be affected.

Atlassian Jira Server and Data Center8.6.0 → unspecifiedenisa_euvdEU
Atlassian Jira Server and Data Center8.9.0 → unspecifiedenisa_euvdEU
Atlassian Jira Server and Data Centerunspecified → 8.5.5enisa_euvdEU
Atlassian Jira Server and Data Centerunspecified → 8.8.2enisa_euvdEU
Atlassian Jira Server and Data Centerunspecified → 8.9.1enisa_euvdEU
atlassian jira< 8.5.5nvdUScpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
atlassian jira data center8.6.0 → 8.8.2nvdUScpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
atlassian jira data center8.9.0 → 8.9.1nvdUScpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
atlassian jira server8.6.0 → 8.8.2nvdUScpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira server8.9.0 → 8.9.1nvdUScpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira software data center< 8.5.5nvdUScpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-07-01modified 2026-06-17

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+53061 more

references (4)

External citations — patches, advisories, analysis.

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