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9.1
CVSS
Critical

CVE-2025-42999

PUBLISHED

Insecure Deserialization in SAP NetWeaver (Visual Composer development server)

1 day faster than CISA KEV

Exploited in the wild Remote Low complexity No user interaction
Vendor
SAP_SE
Product
SAP NetWeaver (Visual Composer development server)
Published
May 13, 2025
EPSS
38.6% · 97% pctl

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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.

cisa

Weaknesses (CWE)

  • CWE-502

    Deserialization of Untrusted Data

CVSS scores

CVSS v3.1 9.1 Critical

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

Exploitation status

Exploited in the wild

Recorded 2026-06-01 10:37:52 UTC · CVE

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CVE First 2026-06-01 10:37 UTC
CISA 2026-06-02 14:07 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • KEV confirmed by CISA