ACTIVELY EXPLOITED
CVE-2025-42999: SAP NetWeaver Deserialization Vulnerability
| Vendor | SAP |
|---|---|
| Product | NetWeaver |
| Actively exploited | Yes |
| Added to CISA KEV | 15 May 2025 |
| CISA federal deadline | 5 Jun 2025 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-502 |
Required action (CISA's text)
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 (NVD)
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.
SOURCES
Other SAP flaws
- CVE-2025-31324: SAP NetWeaver Unrestricted File Upload Vulnerability
- CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability
- CVE-2019-0344: SAP Commerce Cloud Deserialization of Untrusted Data Vulnerability
- CVE-2022-22536: SAP Multiple Products HTTP Request Smuggling Vulnerability
- CVE-2021-38163: SAP NetWeaver Unrestricted File Upload Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.