CVE-2025-42999Insecure Deserialization in SAP NetWeaver (Visual Composer development server)
Updated under an hour ago ()
Does this affect you?
It affects SAP_SE SAP NetWeaver (Visual Composer development server) and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 15, 2025; federal agencies had to remediate by Jun 5, 2025, and it is known to be used in ransomware. Treat that date as your deadline.
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Free account, 1 product
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
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Added to CISA KEV May 15, 2025; federal remediation due Jun 5, 2025; known ransomware useApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 12.74% (percentile 96)
- Assigned by
- sap
- NVD analysis
- Analyzed
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
SAP_SE SAP NetWeaver (Visual Composer development server) sap_se:sap_netweaver_visual_composer_development_server (from the name) | VCFRAMEWORK 7.50 | CNA record |
sap netweaver sap:netweaver | 7.5 | NVD |
References
- https://me.sap.com/notes/3604119permissions-required
- https://url.sap/sapsecuritypatchdayvendor-advisory
- https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/exploit, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42999us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.