# CVE-2019-11580: Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2019-11580-atlassian-crowd-and-crowd-data-center-remote-code-execution  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2019-11580 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability because the pdkinstall development plugin was incorrectly enabled in release builds. Unauthenticated attackers can exploit this to install arbitrary plugins, leading to full system compromise.

Vendors: [Atlassian](https://junglewise.ai/threats/vendors/atlassian).

## Quick answers

**Is CVE-2019-11580 exploited in the wild?** Yes. CVE-2019-11580 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2019-11580?** Critical severity, with a CVSS score of 9.8, published 3 November 2021.

**Which products and versions are affected?** Atlassian Crowd 2.1.0 to < 3.0.5, 3.1.0 to < 3.1.6, 3.2.0 to < 3.2.8, 3.3.0 to < 3.3.5, 3.4.0 to < 3.4.4; Atlassian Crowd Data Center 2.1.0 to < 3.0.5, 3.1.0 to < 3.1.6, 3.2.0 to < 3.2.8, 3.3.0 to < 3.3.5, 3.4.0 to < 3.4.4.

**Is there a fix for CVE-2019-11580?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2019-11580 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2019-11580?** Check whether you run Atlassian Crowd or Atlassian Crowd Data Center. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Atlassian Crowd 2.1.0 to < 3.0.5, 3.1.0 to < 3.1.6, 3.2.0 to < 3.2.8, 3.3.0 to < 3.3.5, 3.4.0 to < 3.4.4
- Atlassian Crowd Data Center 2.1.0 to < 3.0.5, 3.1.0 to < 3.1.6, 3.2.0 to < 3.2.8, 3.3.0 to < 3.3.5, 3.4.0 to < 3.4.4

## Timeline

- 2019-06-03: disclosed: NVD Published Date
- 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2021-11-03: exploited: Reported as exploited in the wild

## Related threats

- [Atlassian Data Center arbitrary file access without authentication](https://junglewise.ai/threats/cve-2026-21589-h3-summary-this-is-a-vulnerability-in-bitbucket-data-center)