CVE-2020-14167 Denial of service in Jira Server and Data Center

What is CVE-2020-14167?

CVE-2020-14167 is a high-severity denial of service vulnerability in Atlassian Jira, published on 1 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The MessageBundleResource resource in Jira Server and Data Center before version 7.13.4, from 8.5.0 before 8.5.5, from 8.8.0 before 8.8.2, and from 8.9.0 before 8.9.1 allows remote attackers to impact the application's availability via an Denial of Service (DoS) vulnerability.

Which versions are affected by CVE-2020-14167?

It affects 4 products.

Products include Atlassian Jira, Atlassian Jira Data Center, Atlassian Jira Server, Atlassian Jira Software Data Center.

How do I fix CVE-2020-14167?

No fix has been published for CVE-2020-14167 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-14167 being exploited?

There is no known exploitation of CVE-2020-14167 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Jira

• CVE-2020-14172 Deserialization in Jira Server Critical 9.8
• CVE-2019-20409 Code injection in Jira Server Critical 9.8
• CVE-2017-5983 Deserialization in n/a Critical 9.8
• CVE-2010-1165 Code injection in n/a Critical 9.0
• CVE-2016-4319 Cross-site request forgery in Atlassian JIRA Server before 7.1.9 High 8.8

All Atlassian Jira vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-888j-65pm-5g3m.