CVE-2020-14177

Name: CVE-2020-14177
Creator: NVD / NIST
Published: 2020-09-21T01:15:12.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.23%

Last modified Jun 17, 2026

CVE-2020-14177 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Regex-based Denial of Service (DoS) vulnerability in JQL version searching. The affected versions are before version 7.13.16; from version 7.14.0 before 8.5.7; from version 8.6.0 before 8.10.2; and from version 8.11.0 before 8.11.1.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Regex-based Denial of Service (DoS) vulnerability in JQL version searching. The affected versions are before version 7.13.16; from version 7.14.0 before 8.5.7; from version 8.6.0 before 8.10.2; and from version 8.11.0 before 8.11.1.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Atlassian	Jira Server	< 7.13.16
Atlassian	Jira Server	>= 7.14.0, < 8.5.7
Atlassian	Jira Server	>= 8.6.0, < 8.10.2
Atlassian	Jira Server	>= 8.11.0, < 8.11.1

References

https://jira.atlassian.com/browse/JRASERVER-71388Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-71388Vendor Advisory

Timeline

Published: Sep 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14177?

How severe is CVE-2020-14177?

CVE-2020-14177 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14177?

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-2020-14177?

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

Scan your code now

Source: NVD / NIST