Critical severity · published May 13, 2025
CVE-2025-42999
Insecure Deserialization in SAP NetWeaver (Visual Composer development server)
RansomwareIn wildKEV
9.1
CVSS
12.9%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)12.9% · higher than 96% of CVEs
Exploited in the wildYes
CISA KEVListed May 15, 2025
Federal remediation dueJun 5, 2025
Ransomware campaign useKnown
Affected products
Which versions
SN
SAP NetWeaver (Visual Composer development server) · SAP_SE
VCFRAMEWORK 7.50 · source: vendor
NE
Netweaver · Sap
7.5 · source: NVD, KEV
Affected product
SN
SAP NetWeaver (Visual Composer development server)
SAP_SE
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-42999
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-42999
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
me.sap.com
https://me.sap.com/notes/3604119
url.sap
https://url.sap/sapsecuritypatchday
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