CVE-2021-26069

moderate-risk

Published 2021-03-22

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate project keys via an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint. The affected versions are before version 8.5.11, from version 8.6.0 before 8.13.3, and from version 8.14.0 before 8.15.0.

Do I need to act?

1.2% chance of exploitation in next 30 days

EPSS score — moderate 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 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (4)

Data Center

Jira

Jira Data Center

Jira Server

Affected Vendors

Atlassian

References (2)

Issue Tracking https://jira.atlassian.com/browse/JRASERVER-72010

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moderate-risk

Severity 21/34 · High

Exploitability 3/34 · Minimal

Exposure 10/34 · Low