{"id":"CVE-2025-42999","aliases":["EUVD-2025-14349","GHSA-rgq9-rg7j-xm4x"],"status":"published","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.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.12854,"percentile":0.96325,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2025-05-13T00:17:43Z","modified":"2026-08-11T04:17:17Z","kev":{"date_added":"2025-05-15","due_date":"2025-06-05","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2025-05-15"},{"source":"kev","since":"2025-05-15"}],"products":[{"vendor":"sap","product":"netweaver"},{"vendor":"sap_se","product":"sap netweaver (visual composer development server)"}],"references":[{"url":"https://me.sap.com/notes/3604119","tags":["Permissions Required"]},{"url":"https://url.sap/sapsecuritypatchday","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42999","tags":["government-resource","US Government Resource"]},{"url":"https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/","tags":["Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-42999"},{"url":"https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324"},{"url":"https://github.com/advisories/GHSA-rgq9-rg7j-xm4x"}],"sources":{"cve":[{"id":"CVE-2025-42999","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.","status":"published","published":"2025-05-13T00:17:43.71Z","modified":"2026-08-11T03:55:28.103Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:30.9782Z"}],"euvd":[{"id":"EUVD-2025-14349","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.","status":"published","published":"2025-05-13T00:17:43Z","modified":"2026-08-11T03:55:28Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2025-05-15","updated_at":"2026-11-02T18:02:00.742322Z"}],"ghsa":[{"id":"GHSA-rgq9-rg7j-xm4x","title":"SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload...","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.","status":"published","published":"2025-05-13T03:31:14Z","modified":"2025-10-22T00:33:19Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:04:08.198655Z"}],"kev":[{"id":"CVE-2025-42999","title":"SAP NetWeaver Deserialization Vulnerability","description":"SAP NetWeaver Visual Composer Metadata Uploader contains a deserialization vulnerability that allows a privileged attacker to compromise the confidentiality, integrity, and availability of the host system by deserializing untrusted or malicious content.","cwes":["CWE-502"],"kev":{"date_added":"2025-05-15","due_date":"2025-06-05","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-42999","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.","status":"published","published":"2025-05-13T01:15:48.44Z","modified":"2026-08-11T04:17:17.24Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:11:07.176032Z"}]}}