What’s Vulnerable › Vulnerabilities
CVE-2021-39124
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-09-14 · updated 2026-06-17
- Weakness: CWE-352
Description
The Cross-Site Request Forgery (CSRF) failure retry feature of Atlassian Jira Server and Data Center before version 8.16.0 allows remote attackers who are able to trick a user into retrying a request to bypass CSRF protection and replay a crafted request.
Affected products
- Atlassian Data Center: before 8.16.0 — fixed in 8.16.0
- Atlassian Jira: before 8.16.0 — fixed in 8.16.0
How to fix
Upgrade to a fixed version: Atlassian Data Center 8.16.0; Atlassian Jira 8.16.0. Check the vendor advisory for mitigations.
References
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