{"basis":"claimed","id":"CVE-2025-42999","name":"SAP NetWeaver Deserialization Vulnerability","vendorProject":"SAP","product":"NetWeaver","publishedAt":"2025-05-13","cvss":{"score":9.1,"severity":"CRITICAL","version":"3.1"},"exploited":{"kevAdded":"2025-05-15","dueDate":"2025-06-05","ransomware":true},"epss":{"score":0.12854,"percentile":0.96298,"date":"2026-11-02"},"coverage":{"cloudflare":{"status":"blocks","firstOn":"2025-06-09","daysToRule":27},"aws":{"status":"none","firstOn":null,"daysToRule":null},"azure":{"status":"none","firstOn":null,"daysToRule":null},"google":{"status":"none","firstOn":null,"daysToRule":null},"fastly":{"status":"no_history","firstOn":null,"daysToRule":null},"f5":{"status":"none","firstOn":null,"daysToRule":null},"akamai":{"status":"no_source","firstOn":null,"daysToRule":null},"crs":{"status":"none","firstOn":null,"daysToRule":null}},"title":"Insecure Deserialization in SAP NetWeaver (Visual Composer development server)","description":"SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.","cwes":["CWE-502"],"vendors":[{"vendor":"cloudflare","status":"blocks","basis":"claimed","firstOn":"2025-06-09","firstIsNew":true,"daysToRule":27,"daysAtMost":null,"freePlan":false,"claims":[{"id":"fc58e89c9c06bdd5a6d00ce49a0cda6c35b1bbbb6e32424cad61554896c84873","cve_id":"CVE-2025-42999","vendor":"cloudflare","product":"Cloudflare Managed Ruleset","rule_id":"24134c41c3e940daa973b4b95f57b448","rule_name":"SAP NetWeaver - Remote Code Execution - CVE:CVE-2025-42999","change":"new","default_action":"Block","published_on":"2025-06-09","source_url":"https://developers.cloudflare.com/changelog/post/2025-06-09-waf-release/","source_title":"WAF Release - 2025-06-09","excerpt":"SAP NetWeaver - Remote Code Execution - CVE:CVE-2025-42999. Previous action: Log. New action: Block. This is a New Detection","first_seen_at":"2026-11-02T21:00:16.558Z"}]},{"vendor":"aws","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"azure","status":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"vendor":"google","status":"none","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":"none","basis":"claimed","firstOn":null,"firstIsNew":false,"daysToRule":null,"daysAtMost":null,"freePlan":false,"claims":[]},{"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":"2026-11-03T01:17:39.443Z","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","ssvc":{"exploitation":"active","automatable":"no","technicalImpact":"total"},"measured":[],"social":{"total":0,"first_seen":null,"daily":[{"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},{"day":"2026-11-03","posts":0}],"top_posts":[],"exploit_repositories":[]}}