Insecure Deserialization in SAP NetWeaver (Visual Composer development server)

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-42999
StatePUBLISHED
Assignersap
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-05-13 01:15:48 UTC
Updated2026-08-11 04:17:17 UTC
DescriptionSAP 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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

EPSS: 0.112830000 probability, percentile 0.955520000 (date 2026-08-10)

CISA KEV: Listed on 2025-05-15; due 2025-06-05; ransomware use Known

Problem Types: CWE-502 | CWE-502 CWE-502: Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

CISA Known Exploited Vulnerability

VendorSAP
ProductNetWeaver
NameSAP NetWeaver Deserialization Vulnerability
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.
NotesSAP users must have an account to log in and access the patch: https://me.sap.com/notes/3604119 ; https://nvd.nist.gov/vuln/detail/CVE-2025-42999

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Sap Netweaver 7.5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SAP SE SAP NetWeaver Visual Composer Development Server affected VCFRAMEWORK 7.50 Not specified

References

ReferenceSourceLinkTags
onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324 af854a3a-2127-422b-91ae-364da2661108 onapsis.com Exploit, Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
me.sap.com/notes/3604119 [email protected] me.sap.com Permissions Required
url.sap/sapsecuritypatchday [email protected] url.sap Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2025-05-15T00:00:00.000ZCVE-2025-42999 added to CISA KEV

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