{"id":"CVE-2025-42999","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-42999","generatedAt":"2026-10-31T06:57:22.140Z","title":"SAP NetWeaver Deserialization Vulnerability","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.","published":"2025-05-13T01:15:48.000Z","lastModified":"2026-08-11T04:17:17.000Z","status":"Analyzed","sourceIdentifier":"cna@sap.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["sap/netweaver"],"epss":{"score":0.12854,"percentile":0.96292,"date":"2026-10-30","history":[{"date":"2026-10-09","score":0.12743,"percentile":0.96184}]},"kev":{"listed":true,"dateAdded":"2025-05-15","dueDate":"2025-06-05","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nSAP users must have an account to log in and access the patch: https://me.sap.com/notes/3604119 ; https://nvd.nist.gov/vuln/detail/CVE-2025-42999"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 5 June 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://me.sap.com/notes/3604119","tags":["Permissions Required"],"source":"cna@sap.com"},{"url":"https://url.sap/sapsecuritypatchday","tags":["Vendor Advisory"],"source":"cna@sap.com"},{"url":"https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42999","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-42999","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}