CVE-2020-4026

MEDIUM

4.3

CVSS Score

Published: June 2, 2020 at 11:40 PM UTC

Updated: June 17, 2026 at 03:19 AM UTC

3 products affected across 1 vendorNavigator LinksCrucibleFisheye

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.8%

Description

The CustomAppsRestResource list resource in Atlassian Navigator Links before version 3.3.23, from version 4.0.0 before version 4.3.7, from version 5.0.0 before 5.0.1, and from version 5.1.0 before 5.1.1 allows remote attackers to enumerate all linked applications, including those that are restricted or otherwise hidden, through an incorrect authorization check.

Affected

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

Navigator Links · Atlassianatlassian-app

95%

v ≥ 4.0.0v ≥ 5.0.0v ≥ 5.1.0v < 3.2.23v < 3.3.23v < 4.3.7v < 5.0.1v < 5.1.14.0.0 ≤ v < 4.3.75.0.0 ≤ v < 5.0.15.1.0 ≤ v < 5.1.14.0.0 5.0.0 5.1.0

Affected range stops below 3.2.23, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.3.23, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.3.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.1.1, so it looks safe — our inference, not a vendor statement

Crucible · Atlassianatlassian-app

60%

v < 4.8.2

Affected range stops below 4.8.2, so it looks safe — our inference, not a vendor statement

Fisheye · Atlassianatlassian-app

60%

v < 4.8.2

Affected range stops below 4.8.2, 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_MISCVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/CRUC-8485

x_refsource_MISCVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/FE-7299

CVSS

4.3MEDIUM[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-863

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