Possible SAP NetWeaver CVE-2025-31324 Webshell Upload via metadatauploader Endpoint (via webserver)

ATT&CK techniques

Initial Access

Recon
Resource Dev
Initial Access
- T1190Exploit Public-Facing Application
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects POST requests to the SAP NetWeaver metadatauploader endpoint abused in CVE-2025-31324 for unauthenticated webshell upload. China-nexus actors dropped JSP webshells through this development server path. Requests to this endpoint from untrusted sources warrant investigation.

Reporting behind it

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Possible SAP NetWeaver CVE-2025-31324 Webshell Upload via metadatauploader Endpoint (via webserver)

Pivot detection · T1190 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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