CVE-2020-4022

MEDIUM

6.1

CVSS Score

Published: July 1, 2020 at 01:35 AM UTC

Updated: June 17, 2026 at 03:19 AM UTC

3 products affected across 1 vendorJira ServerJiraJira Data Center

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Severity

MEDIUM6.1

Exploit prediction

EPSS 1%

Description

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 mixed multipart content type.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jira · Atlassianatlassian-app

95%

v < 8.5.5

Affected range stops below 8.5.5, so it looks safe — our inference, not a vendor statement

Jira Data Center · Atlassianatlassian-app

95%

v ≥ 8.6.0v ≥ 8.9.0v < 8.5.5v < 8.8.2v < 8.9.18.6.0 ≤ v < 8.8.28.9.0 ≤ v < 8.9.18.6.0 8.9.0

Affected range stops below 8.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.8.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.9.1, so it looks safe — our inference, not a vendor statement

Jira Server · Atlassianatlassian-app

95%

8.6.0 ≤ v < 8.8.28.9.0 ≤ v < 8.9.1

Affected range stops below 8.8.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.9.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://jira.atlassian.com/browse/JRASERVER-71107

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/JRASERVER-71107

CVSS

6.1MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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