Vulnerability Description
The Atlassian Application Links plugin is vulnerable to cross-site request forgery (CSRF). The following versions are affected: all versions prior to 5.4.21, from version 6.0.0 before version 6.0.12, from version 6.1.0 before version 6.1.2, from version 7.0.0 before version 7.0.2, and from version 7.1.0 before version 7.1.3. The vulnerable plugin is used by Atlassian Jira Server and Data Center before version 8.7.0. An attacker could exploit this by tricking an administrative user into making malicious HTTP requests, allowing the attacker to enumerate hosts and open ports on the internal network where Jira server is present.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Atlassian | Jira | >= 7.0.0, < 8.4.5 |
| Atlassian | Jira Data Center | >= 7.0.0, < 8.5.4 |
| Atlassian | Jira Server | >= 8.5.5, < 8.6.2 |
Related Weaknesses (CWE)
References
- https://ecosystem.atlassian.net/browse/APL-1390Vendor Advisory
- https://jira.atlassian.com/browse/JRASERVER-70607Issue TrackingVendor Advisory
- https://www.tenable.com/security/research/tra-2020-06ExploitThird Party Advisory
- https://ecosystem.atlassian.net/browse/APL-1390Vendor Advisory
- https://jira.atlassian.com/browse/JRASERVER-70607Issue TrackingVendor Advisory
- https://www.tenable.com/security/research/tra-2020-06ExploitThird Party Advisory
FAQ
What is CVE-2019-20100?
CVE-2019-20100 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The Atlassian Application Links plugin is vulnerable to cross-site request forgery (CSRF). The following versions are affected: all versions prior to 5.4.21, from version 6.0.0 before version 6.0.12, ...
How severe is CVE-2019-20100?
CVE-2019-20100 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20100?
Check the references section above for vendor advisories and patch information. Affected products include: Atlassian Jira, Atlassian Jira Data Center, Atlassian Jira Server.