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Vulnerabilities

Vulnerability · CVE-2025-42999

SAP NetWeaver Deserialization Vulnerability

Published Apr 27, 2025 · catalog updated Aug 11, 2026 · SAP_SE SAP NetWeaver (Visual Composer development server)

Patch now

CVE-2025-42999 is in the CISA known-exploited catalog, due Jun 5, 2025. Confirm SAP_SE SAP NetWeaver (Visual Composer development server) against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
12.74%
Remediation
Remediation guidance
Affected products
cpe sap/netweaver · vendor SAP NetWeaver · vendor SAP_SE SAP NetWeaver (Visual Composer development server) VCFRAMEWORK 7.50

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sap/netweaver7.5
  • vendor SAP NetWeaverversion unspecified
  • vendor SAP_SE SAP NetWeaver (Visual Composer development server) VCFRAMEWORK 7.50VCFRAMEWORK 7.50

How to fix CVE-2025-42999

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-42999 is in the CISA known-exploited catalog, due Jun 5, 2025. Confirm SAP_SE SAP NetWeaver (Visual Composer development server) against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with SAP_SE SAP NetWeaver (Visual Composer development server) VCFRAMEWORK 7.50 VCFRAMEWORK 7.50. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 12.74%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 12, 2025 · Catalog

    Detected

    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.

  2. May 15, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  3. Jun 5, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  4. Aug 10, 2026 · Catalog

    Updated

    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.

  5. Aug 11, 2026 · EUVD

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-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.gov
  • CVE.orgVulnerability recordCVE-2025-42999

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-42999

    30-day exploitation probability 12.7%

    first.org
  • EUVDVulnerability recordEUVD-2025-14349

    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.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-42999

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.