{"cve":{"cve_id":"CVE-2023-22527","is_kev":true,"kev_date_added":"2024-01-24","kev_vendor_project":"Atlassian","kev_product":"Confluence Data Center and Server","kev_vulnerability_name":"Atlassian Confluence Data Center and Server Template Injection Vulnerability","kev_short_description":"Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.","kev_required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2024-02-14","kev_known_ransomware":true,"kev_notes":"https://confluence.atlassian.com/security/cve-2023-22527-rce-remote-code-execution-vulnerability-in-confluence-data-center-and-confluence-server-1333990257.html;  https://nvd.nist.gov/vuln/detail/CVE-2023-22527","kev_cwes":["CWE-74"],"epss_score":0.99984,"epss_percentile":0.99982,"epss_as_of":"2026-06-23","description":"A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.\n\nMost recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.","published_at":"2024-01-16T05:00:00.692000Z","last_modified_at":null,"cvss_v3_score":10.0,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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":["CWE-74"],"nvd_references":["https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615","https://jira.atlassian.com/browse/CONFSERVER-93833","http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html"],"vuln_status":null,"trending_score":0.6099712001047887,"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":"2026-06-29T02:30:27.550645Z"},"effective_severity":"CRITICAL","badges":["kev","ransomware","poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","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":"C","value_label":"Changed"},{"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":"confluence-data-center","product_name":"Confluence Data Center","version_start":"< 8.0.0","version_start_inclusive":true,"version_end":"< 8.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:< 8.0.0:< 8.0.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.0.0","version_start_inclusive":true,"version_end":">= 8.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.0.0:>= 8.0.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.1.0","version_start_inclusive":true,"version_end":">= 8.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.1.0:>= 8.1.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.2.0","version_start_inclusive":true,"version_end":">= 8.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.2.0:>= 8.2.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.3.0","version_start_inclusive":true,"version_end":">= 8.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.3.0:>= 8.3.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.4.0","version_start_inclusive":true,"version_end":">= 8.4.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.4.0:>= 8.4.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.5.0","version_start_inclusive":true,"version_end":">= 8.5.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.5.0:>= 8.5.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.5.1","version_start_inclusive":true,"version_end":">= 8.5.1","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.5.1:>= 8.5.1"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.5.2","version_start_inclusive":true,"version_end":">= 8.5.2","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.5.2:>= 8.5.2"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.5.3","version_start_inclusive":true,"version_end":">= 8.5.3","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.5.3:>= 8.5.3"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.5.4","version_start_inclusive":true,"version_end":">= 8.5.4","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.5.4:>= 8.5.4"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.6.0","version_start_inclusive":true,"version_end":">= 8.6.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.6.0:>= 8.6.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.7.1","version_start_inclusive":true,"version_end":">= 8.7.1","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.7.1:>= 8.7.1"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":"< 8.0.0","version_start_inclusive":true,"version_end":"< 8.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:< 8.0.0:< 8.0.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.0.0","version_start_inclusive":true,"version_end":">= 8.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.0.0:>= 8.0.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.1.0","version_start_inclusive":true,"version_end":">= 8.1.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.1.0:>= 8.1.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.2.0","version_start_inclusive":true,"version_end":">= 8.2.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.2.0:>= 8.2.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.3.0","version_start_inclusive":true,"version_end":">= 8.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.3.0:>= 8.3.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.4.0","version_start_inclusive":true,"version_end":">= 8.4.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.4.0:>= 8.4.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.5.0","version_start_inclusive":true,"version_end":">= 8.5.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.5.0:>= 8.5.0"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.5.1","version_start_inclusive":true,"version_end":">= 8.5.1","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.5.1:>= 8.5.1"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.5.2","version_start_inclusive":true,"version_end":">= 8.5.2","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.5.2:>= 8.5.2"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.5.3","version_start_inclusive":true,"version_end":">= 8.5.3","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.5.3:>= 8.5.3"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.5.4","version_start_inclusive":true,"version_end":">= 8.5.4","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.5.4:>= 8.5.4"},{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-server","product_name":"Confluence Server","version_start":">= 8.6.0","version_start_inclusive":true,"version_end":">= 8.6.0","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-server:>= 8.6.0:>= 8.6.0"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-22527.yaml","title":"Atlassian Confluence - Remote Code Execution","author":"iamnooob,rootxharsh,pdresearch","disclosed_at":null}],"news":[],"references":[{"url":"https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615","source_type":"MISC","tags":[]},{"url":"https://jira.atlassian.com/browse/CONFSERVER-93833","source_type":"MISC","tags":[]},{"url":"http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html","source_type":"EXPLOIT","tags":["exploit"]}],"timeline":[{"type":"published","at":"2024-01-16T05:00:00.692000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2024-01-24T00:00:00Z","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":"cvss_changed","at":"2026-06-28T17:26:50.468161Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:26:50.468161Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:26:50.468161Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:25:26.348357Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:25:26.348357Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:25:26.348357Z","label":"SSVC decision revised","source":"vulnrichment"}]}