{"cve":{"cve_id":"CVE-2019-11580","is_kev":true,"kev_date_added":"2021-11-03","kev_vendor_project":"Atlassian","kev_product":"Crowd and Crowd Data Center","kev_vulnerability_name":"Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability","kev_short_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.","kev_required_action":"Apply updates per vendor instructions.","kev_due_date":"2022-05-03","kev_known_ransomware":true,"kev_notes":"https://nvd.nist.gov/vuln/detail/CVE-2019-11580","kev_cwes":[],"epss_score":0.95355,"epss_percentile":0.99856,"epss_as_of":"2026-06-23","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.","published_at":"2019-06-03T13:43:48.001000Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":null,"nvd_references":["https://jira.atlassian.com/browse/CWD-5388","http://www.securityfocus.com/bid/108637","http://packetstormsecurity.com/files/163810/Atlassian-Crowd-pdkinstall-Remote-Code-Execution.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-28T23:11:58.189586Z"},"effective_severity":"CRITICAL","badges":["kev","ransomware","poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"2.1.0","version_start_inclusive":true,"version_end":"unspecified","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:2.1.0:unspecified"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.0.5","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:unspecified:3.0.5"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"3.1.0","version_start_inclusive":true,"version_end":"unspecified","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:3.1.0:unspecified"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.1.6","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:unspecified:3.1.6"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"3.2.0","version_start_inclusive":true,"version_end":"unspecified","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:3.2.0:unspecified"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.2.8","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:unspecified:3.2.8"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"3.3.0","version_start_inclusive":true,"version_end":"unspecified","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:3.3.0:unspecified"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.3.5","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:unspecified:3.3.5"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"3.4.0","version_start_inclusive":true,"version_end":"unspecified","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:3.4.0:unspecified"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"crowd","product_name":"Crowd","version_start":"unspecified","version_start_inclusive":true,"version_end":"3.4.4","version_end_inclusive":false,"cpe23_uri":"cve5:atlassian:crowd:unspecified:3.4.4"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-11580.yaml","title":"Atlassian Crowd and Crowd Data Center - Unauthenticated Remote Code Execution","author":"dwisiswant0","disclosed_at":null}],"news":[],"references":[{"url":"https://jira.atlassian.com/browse/CWD-5388","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/108637","source_type":"MISC","tags":[]},{"url":"http://packetstormsecurity.com/files/163810/Atlassian-Crowd-pdkinstall-Remote-Code-Execution.html","source_type":"EXPLOIT","tags":["exploit"]}],"timeline":[{"type":"published","at":"2019-06-03T13:43:48.001000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2021-11-03T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"ssvc_changed","at":"2026-06-24T00:31:17.516004Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:17.516004Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:17.516004Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:17.516004Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:17.516004Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:17.516004Z","label":"CVSS score revised","source":"vulnrichment"}]}