CVE-2019-20101

MEDIUM

5.3

CVSS Score

Published: September 14, 2021 at 05:10 AM UTC

Updated: June 17, 2026 at 02:29 AM UTC

4 products affected across 1 vendorJiraData CenterJira Server

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Severity

MEDIUM5.3

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

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.

Affected

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

Data Center · Atlassianatlassian-app

95%

v < 8.13.38 14

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Jira · Atlassianatlassian-app

95%

v < 8.13.38 14.0

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Jira Data Center · Atlassianatlassian-app

60%

v ≥ 8.14.0v < 8.13.3v < 8.14.18.14.0 ≤ v < 8.14.18.14.0

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.14.1, so it looks safe — our inference, not a vendor statement

Jira Server · Atlassianatlassian-app

60%

v ≥ 8.14.0v < 8.13.3v < 8.14.18.14.0 ≤ v < 8.14.18.14.0

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.14.1, 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

References (2)

x_refsource_MISCIssue TrackingVendor Advisory

Source: [email protected]

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

x_refsource_MISCVendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP

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

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-Other

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