CVE-2025-31324
SAP NetWeaver Unrestricted File Upload Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 20 May 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
SAP NetWeaver Visual Composer Metadata Uploader is not protected with a proper authorization, allowing unauthenticated agent to upload potentially malicious executable binaries that could severely harm the host system. This could significantly affect the confidentiality, integrity, and availability of the targeted system.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.49% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 29 April 2025 · due 20 May 2025 · used in ransomware campaigns
- Weakness
- CWE-434
- Affected
- sap/netweaver
- Source
- cna@sap.com
EPSS 99.5% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://me.sap.com/notes/3594142 ; https://nvd.nist.gov/vuln/detail/CVE-2025-31324
References
- https://me.sap.com/notes/3594142Permissions Required
- https://url.sap/sapsecuritypatchdayVendor Advisory
- https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/Third Party Advisory
- https://www.bleepingcomputer.com/news/security/sap-fixes-suspected-netweaver-zero-day-exploited-in-attacks/Press/Media Coverage
- https://www.theregister.com/2025/04/25/sap_netweaver_patch/Press/Media Coverage
- https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31324US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.