CVE-2025-42999
SAP NetWeaver Deserialization Vulnerability
MITRE ATT&CK techniques
How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.
Summary
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.
Affected software
Vendor: SAP · Product: NetWeaver
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in SAP
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2025-31324 | SAP NetWeaver Unrestricted File Upload Vulnerability | 99.5% | Yes |
| CVE-2020-6207 | SAP Solution Manager Missing Authentication for Critical Function Vulnerability | 98.1% | Yes |
| CVE-2022-22536 | SAP Multiple Products HTTP Request Smuggling Vulnerability | 97.9% | Yes |
| CVE-2017-12637 | SAP NetWeaver Directory Traversal Vulnerability | 95.1% | Yes |
| CVE-2020-6287 | SAP NetWeaver Missing Authentication for Critical Function Vulnerability | 94.7% | Yes |
| CVE-2016-2386 | SAP NetWeaver SQL Injection Vulnerability | 71.5% | Yes |
| CVE-2016-2388 | SAP NetWeaver Information Disclosure Vulnerability | 52.2% | Yes |
| CVE-2016-3976 | SAP NetWeaver Directory Traversal Vulnerability | 47.3% | Yes |
Is your domain exposed?
Run a free, instant security report for any domain — exposure score, email auth, TLS and breach metadata.
Get your free reportSources: CISA KEV catalog · NVD · FIRST EPSS · MITRE ATT&CK® · CTID Mappings Explorer
This product uses the NVD API but is not endorsed or certified by the NVD. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.
All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.