CVE-2021-39116

low-risk

Published 2021-09-08

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the GIF Image Reader component. The affected versions are before version 8.13.14, and from version 8.14.0 before 8.19.0.

Do I need to act?

0.25% 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 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (2)

Jira Data Center

Jira Server

Affected Vendors

Atlassian

References (2)

Issue Tracking https://jira.atlassian.com/browse/JRASERVER-72738

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low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 7/34 · Low