CVE-2021-39112
4.8 · MEDIUMOverview
CVE-2021-39112 is a medium-severity vulnerability affecting atlassian data_center. It was published on August 25, 2021 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to redirect users to a malicious URL via a reverse tabnapping vulnerability in the Project Shortcuts feature. The affected versions are before version 8.5.15, from version 8.6.0 before 8.13.7, from version 8.14.0 before 8.17.1, and from version 8.18.0 before 8.18.1.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update data_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| atlassian | data_center | >= 0, < 8.5.15 | Affected |
| atlassian | jira | >= 0, < 8.5.15 | Affected |
| atlassian | jira_data_center | >= 8.6.0, < 8.13.7 | Affected |
| atlassian | jira_server | >= 8.6.0, < 8.13.7 | Affected |
Frequently Asked Questions
What is CVE-2021-39112?
CVE-2021-39112 is a medium-severity vulnerability affecting atlassian data_center. It was published on August 25, 2021 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
How severe is CVE-2021-39112?
This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-39112?
Check the references section for vendor advisories and patches from atlassian. Update data_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-39112?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-39112 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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