May 15, 2025 · Applied Cybernetics Group
CVE-2025-42999 — SAP NetWeaver
SAP NetWeaver Deserialization Vulnerability
- Added to KEV
2025-05-15- Federal due date
2025-06-05- Vendor
- SAP
- Product
- NetWeaver
- EPSS
- 97.3th percentile (score 0.386, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-42999
CISA short 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.
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.