CVE-2025-42999Active Exploitation(sap / netweaver)

LOWCVSS 9.1 · CRITICALCISA KEV

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

  • Prioritize remediation for sap netweaver systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD 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.

3.5/ 10 priority

Sources & remediation

Listed in the CISA Known Exploited Vulnerabilities catalog. Federal remediation due date: 2025-06-05. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor / third-party advisories
Weakness type (CWE)
CWE-502

Priority

LOW

Exploitation

ACTIVE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • netweaver

Threat summary

  • Active exploitation appears in 1 classified signals
  • 1 mentions across 1 observed day

What's happening

  • Active exploitation reported across 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
netweaver

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-26: 1Active Exploitation · 2026-05-26: 1Technical Details · 2026-05-26: 105-26
Signal classification1 categories
Active Exploitation
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Group-IB Global@GroupIB
    Active Exploitation

    Scattered Spider never touched a single production line controller. They exploited two SAP NetWeaver zero-days, CVE-2025-31324 and CVE-2025-42999, to breach Jaguar Land Rover's ERP environment. Assembly lines across four countries went dark. Five weeks. $250M in direct losses. A measurable dip in UK GDP. The attack did not start on the factory floor. It started in the enterprise IT layer. That gap, between where security programs focus and where attacks actually begin, is what is being exploited across European manufacturing right now. Group-IB recorded 228 ransomware DLS publications targeting European manufacturers in 2025. The UK, Germany, and Italy absorbed 57% of them. Qilin led by case volume (18%), followed by Akira (12%). ERP and SAP exploitation is now replacing phishing as the primary entry point. If your plant's IT and OT environments share a domain, that is the attack path. The full 2025 European manufacturing threat landscape, covering ransomware actors, IAB activity, OT access claims, and country profiles, is in the report. Full findings at Group-IB: https://link.group-ib.com/42ylj1w #Manufacturing #Ransomware #CyberSecurity

    Post summary

    Report confirms the active exploitation of SAP NetWeaver zero‑days (CVE‑2025‑31324 & CVE‑2025‑42999) by Scattered Spider, resulting in significant operational disruption and financial loss for Jaguar Land Rover.

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CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appsapnetweaver7.5--

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