CVE-2019-20101

moderate-risk

Published 2021-09-14

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view whitelist rules via a Broken Access Control vulnerability in the /rest/whitelist/<version>/check endpoint. The affected versions are before version 8.13.3, and from version 8.14.0 before 8.14.1.

Do I need to act?

1.6% 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

Affected Vendors

Atlassian

References (4)

Issue Tracking https://ecosystem.atlassian.net/browse/AW-20

Vendor Advisory https://jira.atlassian.com/browse/JRASERVER-72618

Issue Tracking https://ecosystem.atlassian.net/browse/AW-20

Vendor Advisory https://jira.atlassian.com/browse/JRASERVER-72618

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moderate-risk

Severity 21/34 · High

Exploitability 4/34 · Minimal

Exposure 10/34 · Low