What is CVE-2020-4028?

CVE-2020-4028 is a medium-severity vulnerability in Atlassian Jira, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-06-23.

How severe is CVE-2020-4028?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Atlassian Jira

CVE-2020-4028

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 o…

EPSS: 0.009 (54.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Atlassian Jira
Atlassian Jira Server And Data Center — versions unspecified
Atlassian Jira_software_data_center

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4028?: CVE-2020-4028 is a medium-severity vulnerability in Atlassian Jira, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-06-23.
How severe is CVE-2020-4028?: Medium severity. CVSS v3 base score is 5.3 out of 10.