CVE-2020-4022

moderate-risk

Published 2020-07-01

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.

Do I need to act?

0.33% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.1/10 Medium

NETWORK / LOW complexity

Affected Products (4)

Jira

Jira Data Center

Jira Server

Jira Software Data Center

Affected Vendors

Atlassian

References (2)

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

/ 100

moderate-risk

Severity 23/34 · High

Exploitability 1/34 · Minimal

Exposure 10/34 · Low