CVE-2020-14189

Name: CVE-2020-14189
Creator: NVD / NIST
Published: 2020-11-09T22:15:12.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.25%

Last modified Jun 17, 2026

CVE-2020-14189 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The execute function in in the Atlassian gajira-comment GitHub Action before version 2.0.2 allows remote attackers to execute arbitrary code in the context of a GitHub runner by creating a specially crafted GitHub issue comment.. EPSS estimates a 2.25% chance of exploitation in the next 30 days.

Description

The execute function in in the Atlassian gajira-comment GitHub Action before version 2.0.2 allows remote attackers to execute arbitrary code in the context of a GitHub runner by creating a specially crafted GitHub issue comment.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.25%

80.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Atlassian	Jira Comment	< 2.0.2

References

https://github.com/atlassian/gajira-comment/security/advisories/GHSA-hj6w-pm28-h8hfThird Party Advisory
https://github.com/atlassian/gajira-comment/security/advisories/GHSA-hj6w-pm28-h8hfThird Party Advisory

Timeline

Published: Nov 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14189?

How severe is CVE-2020-14189?

CVE-2020-14189 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14189?

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-2020-14189?

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

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Source: NVD / NIST