CVE-2025-42999

9.1 criticalKEVEPSS 13%

Critical (9.1) in SAP NetWeaver. In CISA KEV since 2025-05-15, with known ransomware use. EPSS 13% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS: 13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2025-05-15, due 2025-06-05, known ransomware use
CWE: CWE-502
Published: 2025-05-13
Modified: 2026-08-11
Record from: the NVD, synced 2026-10-19

Affected

sap:netweaver

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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