CVE-2019-11580
Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability
Atlassian Crowd and Crowd Data Center
CVSS
9.8CriticalExploit odds (EPSS)95.4%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
- 22 May 2019Exploit code publicMetasploit
- 3 Jun 2019, 13:43 UTCPublishedCVE List
- 3 Nov 2021Added to CISA KEVCISA KEV
Public exploit code and templates 2
- Exploit moduleAtlassian Crowd pdkinstall Unauthenticated Plugin Upload RCE 22 May 2019Metasploit
- Scanner templateAtlassian Crowd and Crowd Data Center - Unauthenticated Remote Code ExecutionNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.
Text from CVE List
Affected versions 10
- Crowdaffected: 2.1.0 before unspecifiedCVE List
- Crowdaffected: unspecified before 3.0.5CVE List
- Crowdaffected: 3.1.0 before unspecifiedCVE List
- Crowdaffected: unspecified before 3.1.6CVE List
- Crowdaffected: 3.2.0 before unspecifiedCVE List
- Crowdaffected: unspecified before 3.2.8CVE List
- Crowdaffected: 3.3.0 before unspecifiedCVE List
- Crowdaffected: unspecified before 3.3.5CVE List
- Crowdaffected: 3.4.0 before unspecifiedCVE List
- Crowdaffected: unspecified before 3.4.4CVE List