CVE-2020-14181

Name: CVE-2020-14181
Creator: NVD / NIST
Published: 2020-09-17T01:15:11.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 99.60%

Last modified Jun 17, 2026

CVE-2020-14181 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.. EPSS estimates a 99.60% chance of exploitation in the next 30 days.

Description

Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

99.60%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Atlassian	Data Center	< 7.13.6
Atlassian	Data Center	>= 8.0.0, < 8.5.7
Atlassian	Data Center	>= 8.6.0, < 8.12.0
Atlassian	Jira	< 7.13.6
Atlassian	Jira Server	>= 8.0.0, < 8.5.7
Atlassian	Jira Server	>= 8.6.0, < 8.12.0

References

http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.htmlExploit, Third Party Advisory, VDB Entry
https://jira.atlassian.com/browse/JRASERVER-71560Issue Tracking, Vendor Advisory
http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.htmlExploit, Third Party Advisory, VDB Entry
https://jira.atlassian.com/browse/JRASERVER-71560Issue Tracking, Vendor Advisory

Timeline

Published: Sep 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14181?

How severe is CVE-2020-14181?

CVE-2020-14181 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 99.60% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14181?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14181?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST