--- title: "CVE-2019-11580: Atlassian Crowd vulnerability | CubePath" description: "Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds. Attackers who can send unauthenticated…" language: en source: https://cubepath.com/security/cve/CVE-2019-11580 --- # CVE-2019-11580: Atlassian Crowd vulnerability | CubePath ## Description Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds. Attackers who can send unauthenticated or authenticated requests to a Crowd or Crowd Data Center instance can exploit this vulnerability to install arbitrary plugins, which permits remote code execution on systems running a vulnerable version of Crowd or Crowd Data Center. All versions of Crowd from version 2.1.0 before 3.0.5 (the fixed version for 3.0.x), from version 3.1.0 before 3.1.6 (the fixed version for 3.1.x), from version 3.2.0 before 3.2.8 (the fixed version for 3.2.x), from version 3.3.0 before 3.3.5 (the fixed version for 3.3.x), and from version 3.4.0 before 3.4.4 (the fixed version for 3.4.x) are affected by this vulnerability. Official description from the CVE record, published by atlassian. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2019-11580) ## Key data ### CVSS 3.1 Critical 9.8 Score published by CISA-ADP in the CVE record. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | None | No account or privileges are needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.95355 (95.4% probability) Percentile 99.9% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability Added to the catalog Nov 3, 2021 Federal due date May 3, 2022 Ransomware campaigns Known use ### CISA assessment as of Feb 7, 2025 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable yes Technical impact total ## Affected products Products listed in the CVE record, as the CNA published them. - Atlassian Crowd - affected: 2.1.0 up to before unspecified - affected: unspecified up to before 3.0.5 - affected: 3.1.0 up to before unspecified - affected: unspecified up to before 3.1.6 - affected: 3.2.0 up to before unspecified - affected: unspecified up to before 3.2.8 - affected: 3.3.0 up to before unspecified - affected: unspecified up to before 3.3.5 - affected: 3.4.0 up to before unspecified - affected: unspecified up to before 3.4.4 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [jira.atlassian.com/browse/CWD-5388](https://jira.atlassian.com/browse/CWD-5388) - [108637](http://www.securityfocus.com/bid/108637) (securityfocus.com) vdb-entry - [packetstormsecurity.com/files/163810/Atlassian-Crowd-pdkins…](http://packetstormsecurity.com/files/163810/Atlassian-Crowd-pdkinstall-Remote-Code-Execution.html) ## Timeline 1. ID reserved Apr 29, 2019 2. Record published Jun 3, 2019 3. Added to CISA KEV Nov 3, 2021 4. Record last updated Oct 21, 2025 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:01 UTC. 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