CVE-2025-42999: Insecure Deserialization in SAP NetWeaver (Visual Composer development server)
In CISA’s Known Exploited Vulnerabilities catalog: SAP NetWeaver Deserialization Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
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.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H · CWE-502
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
SAP_SE: SAP NetWeaver (Visual Composer development server)
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- me.sap.com/notes/3604119 (opens in new tab)
- url.sap/sapsecuritypatchday (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)