CVE-2020-14183

Name: CVE-2020-14183
Creator: NVD / NIST
Published: 2020-10-06T23:15:12.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.27%

Last modified Jun 17, 2026

CVE-2020-14183 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Affected versions of Jira Server & Data Center allow a remote attacker with limited (non-admin) privileges to view a Jira instance's Support Entitlement Number (SEN) via an Information Disclosure vulnerability in the HTTP Response headers. The affected versions are before version 7.13.18, from version 8.0.0 before 8.5.9, and from version 8.6.0 before 8.12.1.. EPSS estimates a 1.27% chance of exploitation in the next 30 days.

Description

Affected versions of Jira Server & Data Center allow a remote attacker with limited (non-admin) privileges to view a Jira instance's Support Entitlement Number (SEN) via an Information Disclosure vulnerability in the HTTP Response headers. The affected versions are before version 7.13.18, from version 8.0.0 before 8.5.9, and from version 8.6.0 before 8.12.1.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.27%

66.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Atlassian	Jira	< 7.13.18
Atlassian	Jira	>= 8.0.0, < 8.5.9
Atlassian	Jira	>= 8.6.0, < 8.12.1

References

https://jira.atlassian.com/browse/JRASERVER-71646Permissions Required, Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-71646Permissions Required, Vendor Advisory

Timeline

Published: Oct 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14183?

How severe is CVE-2020-14183?

CVE-2020-14183 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14183?

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-2020-14183?

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

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Source: NVD / NIST