Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since May 15, 2025.
CVE-2025-42999
SAP NetWeaver Deserialization Vulnerability
Added to KEV May 15, 2025
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2025-42999
- CWE
- CWE-502
- Affected products
- NetWeaver · SAP NetWeaver · SAP
What happened
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.
What it means for your business
SAP NetWeaver is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-42999). 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. CISA remediation due date: 2025-06-05. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: June 5, 2025
Sources
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