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vulnerability

CVE-2025-31324

10.0
Critical
KEV · Exploited in wildEPSS 99%Patch available

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.

exploited
Yes, in CISA KEV since 29 Apr 2025fix by 20 May 2025 (CISA deadline for US federal agencies)known use in ransomware campaignsunvetted proof-of-concept code on github
fix
Patch available see the advisory in the references
likelihood
EPSS 99.5%
Published 24 Apr 2025Analysed here 2 Nov 2026CVSS scored by the publisher (CNA)

do firstApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

triage
server-sideruntimeWAF can block: partlyAV · networkCWE-434· Unrestricted File Upload

Can a WAF block it? Partly. Cloudflare publishes WAF a rule written for this CVE. Such rules block the known exploit requests and buy time, but attackers can change the request to get past them, so they do not replace the patch.

Also consider: patch · enable the vendor rule in block mode · MIME sniff · sandbox storage

Based on WAF vendor rules published for this CVE. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.

cvss vector
attack vectornetworkattack complexitylowprivileges requirednoneuser interactionnonescopechangedconfidentialityhighintegrityhighavailabilityhigh
CVSS 3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
common questions

Is CVE-2025-31324 being exploited?

Yes. CVE-2025-31324 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2025-31324?

CVE-2025-31324 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2025-31324?

Yes. A fix has been recorded for CVE-2025-31324. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2025-31324 affect?

CVE-2025-31324 affects sap:netweaver. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
sap:netweaver
affected versions
SAP_SE SAP NetWeaver (Visual Composer development server)
  • affectedVCFRAMEWORK 7.50

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

public exploits

Unvetted proof-of-concept code on GitHub: 23 GitHub proofs of concept · 1 Nuclei template

Listed so you can judge urgency, not as a recommendation to run anything. GitHub “proofs of concept” are unvetted: some are fake or carry malware. Exploit-DB marks the entries its staff verified.

cisa ssvc

exploitation
active
automatable
yes
technical impact
total

Assessed by CISA 24 Apr 2025 (SSVC 2.0.3).

timeline

  1. 24 Apr 2025CISA SSVC assessment: exploitation active
  2. 24 Apr 2025Published · 1 day later
  3. 25 Apr 2025First proof-of-concept repository on GitHub (unvetted) · same day later
  4. 29 Apr 2025Added to CISA KEV (exploited in the wild) · 4 days later
  5. 20 May 2025CISA remediation due date (US federal agencies) · 21 days later
  6. 4 Aug 2026CVE record last updated · 441 days (about 1 year) later
  7. 2 Nov 2026Analysed by vulneraibility.com · 91 days (about 3 months) later
how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
NVDCVE.orgCVE DetailsSource
6 references in the CVE record: 6 links
  • Linkme.sap.com /notes/3594142
  • Linkurl.sap /sapsecuritypatchday
  • Linkonapsis.com /blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/
  • Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31324
  • Linktheregister.com /2025/04/25/sap_netweaver_patch/
  • Linkbleepingcomputer.com /news/security/sap-fixes-suspected-netweaver-zero-day-exploited-in-attacks/

sources

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