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CVE-2020-4028

MEDIUM
5.3
CVSS Score
Published: June 23, 2020 at 12:55 PM UTC
Updated: June 17, 2026 at 03:19 AM UTC
2 products affected across 1 vendorJiraJira Data Center

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%

Description

Versions before 8.9.1, Various resources in Jira responded with a 404 instead of redirecting unauthenticated users to the login page, in some situations this may have allowed unauthorised attackers to determine if certain resources exist or not through an Information Disclosure vulnerability.

Affected

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

Jira· Atlassianatlassian-app
95%
v < 8.9.1
Affected range stops below 8.9.1, so it looks safe — our inference, not a vendor statement
Jira Data Center· Atlassianatlassian-app
95%
v < 8.9.1
Affected range stops below 8.9.1, 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 (1)

x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://jira.atlassian.com/browse/JRASERVER-71175

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-203

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