Critical 9.8Known exploited (CISA KEV)Published Jun 3, 2019

CVE-2019-11580Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds.

Updated under an hour ago (2026-10-19 07:00 UTC)

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It affects Atlassian Crowd. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022, and it is known to be used in ransomware. Treat that date as your deadline.

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Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 95.36% (percentile 100)
Assigned by: atlassian
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Atlassian Crowd atlassian:crowd (from the name)	from 2.1.0 before unspecified; from unspecified before 3.0.5; from 3.1.0 before unspecified; from unspecified before 3.1.6; from 3.2.0 before unspecified; from unspecified before 3.2.8; from 3.3.0 before unspecified; from unspecified before 3.3.5; and 2 more ranges	CNA record
atlassian crowd atlassian:crowd	from 2.1.0 before 3.0.5; from 3.1.0 before 3.1.6; from 3.2.0 before 3.2.8; from 3.3.0 before 3.3.5; from 3.4.0 before 3.4.4	NVD

References

https://jira.atlassian.com/browse/CWD-5388x-refsource-misc, issue-tracking, mitigation, vendor-advisory
http://www.securityfocus.com/bid/108637vdb-entry, x-refsource-bid, broken-link
http://packetstormsecurity.com/files/163810/Atlassian-Crowd-pdkinstall-Remote-Code-Execution.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11580us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.