{"basis":"claimed","id":"CVE-2023-22518","name":"Atlassian Confluence Data Center and Server Improper Authorization Vulnerability","vendorProject":"Atlassian","product":"Confluence Data Center and Server","publishedAt":"2023-10-31","cvss":{"score":10,"severity":"CRITICAL","version":"3.0"},"exploited":{"kevAdded":"2023-11-07","dueDate":"2023-11-28","ransomware":true},"epss":{"score":0.99999,"percentile":0.99996,"date":"2026-11-02"},"coverage":{"cloudflare":{"status":"no_history","firstOn":null,"daysToRule":null},"aws":{"status":"rule","firstOn":"2023-12-14","daysToRule":null},"azure":{"status":"none","firstOn":null,"daysToRule":null},"google":{"status":"no_history","firstOn":null,"daysToRule":null},"fastly":{"status":"no_history","firstOn":null,"daysToRule":null},"f5":{"status":"rule","firstOn":"2023-12-12","daysToRule":42},"akamai":{"status":"no_source","firstOn":null,"daysToRule":null},"crs":{"status":"none","firstOn":null,"daysToRule":null}},"title":null,"description":"All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability. \n\nAtlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.","cwes":["CWE-863"],"vendors":[{"vendor":"cloudflare","status":"no_history","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"aws","status":"rule","basis":"claimed","firstOn":"2023-12-14","firstIsNew":false,"daysToRule":null,"daysAtMost":44,"freePlan":false,"claims":[{"id":"0debc562cd5b17dd985c0050d5da8d20027ac4ab7a9723c14b45d86168e87bdc","cve_id":"CVE-2023-22518","vendor":"aws","product":"Known bad inputs managed rule group","rule_id":null,"rule_name":"ExploitablePaths_URIPATH","change":"updated","default_action":null,"published_on":"2023-12-14","source_url":"https://docs.aws.amazon.com/waf/latest/developerguide/aws-managed-rule-groups-changelog.html","source_title":"AWS Managed Rules changelog","excerpt":"Known bad inputs managed rule group ExploitablePaths_URIPATH: Released static version 1.20 of this rule group. Updated the ExploitablePaths_URIPATH rule to add detection for requests that match the Atlassian Confluence CVE-2023-22518 Improper Authorization vulnerability. This vulnerability affects all versions of Confluence Data Center and Server. For more information, see NIST: National Vulnerability Database: CVE-2023-22518 Detail .","first_seen_at":"2026-11-02T21:00:18.042Z"}]},{"vendor":"azure","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"google","status":"no_history","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"fastly","status":"no_history","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"f5","status":"rule","basis":"claimed","firstOn":"2023-12-12","firstIsNew":true,"daysToRule":42,"daysAtMost":null,"freePlan":false,"claims":[{"id":"0a54d2800245d73e8c0c468aa8850189b697b97693b07a6058909ba50d906e46","cve_id":"CVE-2023-22518","vendor":"f5","product":"Attack signatures","rule_id":"200013063","rule_name":"Atlassian Confluence Privilege Escalation (2)","change":"new","default_action":null,"published_on":"2023-12-12","source_url":"https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog","source_title":"F5 Distributed Cloud attack signatures changelog","excerpt":"Added: signature 200013063 \"Atlassian Confluence Privilege Escalation (2)\" (Authentication/Authorization Attacks, risk High), systems: Java Servlets/JSP. References: CVE-2023-22515, CVE-2023-22518.","first_seen_at":"2026-11-02T21:00:28.132Z"},{"id":"517f172ae3495edfb958fef0099fb694c39070843f2e26ac002db32038422887","cve_id":"CVE-2023-22518","vendor":"f5","product":"Attack signatures","rule_id":"200013069","rule_name":"Atlassian Confluence Privilege Escalation (3)","change":"new","default_action":null,"published_on":"2023-12-12","source_url":"https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog","source_title":"F5 Distributed Cloud attack signatures changelog","excerpt":"Added: signature 200013069 \"Atlassian Confluence Privilege Escalation (3)\" (Authentication/Authorization Attacks, risk High), systems: Java Servlets/JSP. References: CVE-2023-22518.","first_seen_at":"2026-11-02T21:00:28.132Z"}]},{"vendor":"akamai","status":"no_source","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"crs","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]}],"updatedAt":"2026-11-02T23:17:43.687Z","cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","ssvc":{"exploitation":"active","automatable":"yes","technicalImpact":"partial"},"measured":[{"engineId":"owasp-crs","engineName":"OWASP Core Rule Set","engineVersion":"4.25.0","runtime":"Coraza v3.8.1","config":"paranoia level 1, anomaly threshold 5, default CRS settings","ranAt":"2026-11-02T13:02:57.000Z","verdict":"passed","templateId":"CVE-2023-22518","templatePath":"http/cves/2023/CVE-2023-22518.yaml","requests":1,"blockedRequests":0,"rules":[],"note":"","requestDetail":[{"method":"POST","path":"/json/setup-restore.action","status":200,"blocked":false,"rules":[]}]},{"engineId":"owasp-crs","engineName":"OWASP Core Rule Set","engineVersion":"4.25.0","runtime":"Coraza v3.8.1","config":"paranoia level 2, anomaly threshold 5, default CRS settings","ranAt":"2026-11-02T13:03:28.000Z","verdict":"passed","templateId":"CVE-2023-22518","templatePath":"http/cves/2023/CVE-2023-22518.yaml","requests":1,"blockedRequests":0,"rules":[],"note":"","requestDetail":[{"method":"POST","path":"/json/setup-restore.action","status":200,"blocked":false,"rules":[]}]}],"social":{"total":0,"first_seen":null,"daily":[{"day":"2026-10-20","posts":0},{"day":"2026-10-21","posts":0},{"day":"2026-10-22","posts":0},{"day":"2026-10-23","posts":0},{"day":"2026-10-24","posts":0},{"day":"2026-10-25","posts":0},{"day":"2026-10-26","posts":0},{"day":"2026-10-27","posts":0},{"day":"2026-10-28","posts":0},{"day":"2026-10-29","posts":0},{"day":"2026-10-30","posts":0},{"day":"2026-10-31","posts":0},{"day":"2026-11-01","posts":0},{"day":"2026-11-02","posts":0}],"top_posts":[],"exploit_repositories":[]}}