Home › Exploited CVEs › CVE-2025-42999
CVE-2025-42999: SAP NetWeaver Deserialization Vulnerability
SAP NetWeaver · in CISA KEV since 2025-05-15
2025-05-15added to KEV
2025-06-05federal remediation due date
13.87%EPSS exploit probability (30 days) 96.4th percentile
9.1 CRITICALCVSS 3.1
Knownknown ransomware use
2days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-502 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD published | 2025-05-13 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2025-42999.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.