All vulnerabilities
CVE-2025-42999

SAP NetWeaver Deserialization Vulnerability

SAP NetWeaverApplications & CMS
Open in ThreatlineRecord JSON
CVSS
9.1Critical
ExploitationExploited in the wildAdded to KEV 15 May 2025. Known ransomware useCISA KEV
Exploit odds (EPSS)12.9%Chance of exploitation activity in the next 30 days, higher than 96% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline5 Jun 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 13 May 2025, 00:17 UTCPublishedCVE List
  2. 15 May 2025Added to CISA KEVCISA KEV

Description

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.

Text from CVE List

Affected versions 1

  • SAP NetWeaver (Visual Composer development server)affected: VCFRAMEWORK 7.50CVE List

References 5