What’s Vulnerable › Vulnerabilities

CVE-2025-42999: SAP NetWeaver Deserialization Vulnerability

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-05-15
• EPSS: 12.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-05-13 · updated 2026-08-11
• Weakness: CWE-502

Description

SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.

Affected products

• SAP_SE SAP NetWeaver: 7.5

References

• https://me.sap.com/notes/3604119
• https://url.sap/sapsecuritypatchday
• https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42999

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