# CVE-2025-31324 — SAP_SE SAP NetWeaver (Visual Composer development server) **CISA KEV** · **Ransomware** > As of 2026-08-04, CVE-2025-31324 is a CRITICAL-severity vulnerability in SAP_SE SAP NetWeaver (Visual Composer development server), CVSS v3.1 10, EPSS 99.4% (99.9th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-04-29), with a US federal remediation deadline of 2025-05-20, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 4 tracked threat campaigns to CVE-2025-31324, most recently “Proxyjacking campaign hijacks 143+ edge devices in 34 countries (D-Link, Ubiquiti, SAP) to resell bandwidth via Pawns.app, plus active exploitation of PAN-OS CVE-2026-0322”. **Last updated:** 2026-08-04 ## What is CVE-2025-31324? 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. The record classifies CVE-2025-31324 under weakness class [CWE-434](https://intel.threadlinqs.com/cwe/CWE-434). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 547 days ago. ## Severity and exploitation probability - **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`) - **EPSS (FIRST):** 99.4% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs - **CISA KEV:** Listed since 2025-04-29, federal remediation deadline 2025-05-20 — used in known ransomware campaigns - **Threadlinqs priority:** 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum - **Published:** 2025-04-24, last modified 2026-08-04 ## Is CVE-2025-31324 being exploited? CISA added CVE-2025-31324 to the Known Exploited Vulnerabilities catalog on 2025-04-29, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-05-20 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2025-31324 is publicly available. 11 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (`http/cves/2025/CVE-2025-31324.yaml`). It currently carries a trending score of 60 in the Threadlinqs vulnerability feed. - [redrays-io/CVE-2025-31324](https://github.com/redrays-io/CVE-2025-31324) (github) - [antichainalysis/sap-netweaver-0day-CVE-2025-31324](https://github.com/antichainalysis/sap-netweaver-0day-CVE-2025-31324) (github) - [Onapsis/Onapsis_CVE-2025-31324_Scanner_Tools](https://github.com/Onapsis/Onapsis_CVE-2025-31324_Scanner_Tools) (github) - [Onapsis/Onapsis-Mandiant-CVE-2025-31324-Vuln-Compromise-Assessment](https://github.com/Onapsis/Onapsis-Mandiant-CVE-2025-31324-Vuln-Compromise-Assessment) (github) - [NULLTRACE0X/CVE-2025-31324](https://github.com/NULLTRACE0X/CVE-2025-31324) (github) - [ODST-Forge/CVE-2025-31324_PoC](https://github.com/ODST-Forge/CVE-2025-31324_PoC) (github) - [rf-peixoto/sap_netweaver_cve-2025-31324-](https://github.com/rf-peixoto/sap_netweaver_cve-2025-31324-) (github) - [rxerium/CVE-2025-31324](https://github.com/rxerium/CVE-2025-31324) (github) ## Affected products and versions - [SAP_SE](https://intel.threadlinqs.com/vendors/sap-se): SAP NetWeaver (Visual Composer development server) ## How to fix CVE-2025-31324 Because CVE-2025-31324 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-05-20. No vendor patch reference has been recorded for CVE-2025-31324 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise. ## Threat activity tracking CVE-2025-31324 4 tracked threats in the Threadlinqs corpus reference CVE-2025-31324, either in the campaign’s CVE list or as an indicator on the campaign record. - [Proxyjacking campaign hijacks 143+ edge devices in 34 countries (D-Link, Ubiquiti, SAP) to resell bandwidth via Pawns.app, plus active exploitation of PAN-OS CVE-2026-0322](https://intel.threadlinqs.com/threat/TL-2026-4174) — HIGH · 2026-10-22 - [skynox7: Proxyjacking Edge Devices Into Residential Proxies (D-Link ShareCenter CVE-2024-3272/3273, UniFi Video CVE-2021-44228, SAP NetWeaver CVE-2025-31324)](https://intel.threadlinqs.com/threat/TL-2026-3649) — HIGH · 2026-10-15 - [Auto-Color Linux Backdoor Reverse-Engineered: Root-Level LD_PRELOAD Persistence and Encrypted C2](https://intel.threadlinqs.com/threat/TL-2026-2264) — HIGH · 2026-08-30 - [SAP Patches Critical NetWeaver, Approuter, and Commerce Cloud Flaws (CVE-2026-44747, CVE-2026-27690, CVE-2026-44761)](https://intel.threadlinqs.com/threat/TL-2026-1302) — CRITICAL · 2026-07-14 ## Sources Enriched from CVE.org, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-10-10. **Other references** - [me.sap.com](https://me.sap.com/notes/3594142) - [url.sap](https://url.sap/sapsecuritypatchday) Canonical: https://intel.threadlinqs.com/cve/CVE-2025-31324 Full detection coverage and IOCs for threats exploiting CVE-2025-31324 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp