Known Exploited Vulnerability

CVE-2019-11580

Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability

Ransomware campaign 35 public exploits Added 03 Nov 2021 Due 03 May 2022 · 1557 days ago
VendorAtlassian
ProductCrowd and Crowd Data Center
WeaknessNot mapped
RansomwareKnown use

What the flaw is

Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply updates per vendor instructions.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

35 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 35. Full list in the trickest/cve dataset.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified August 6, 2026. Rebuilt automatically twice a day.