CVE-2017-9844
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedSAP NetWeaver 7400.12.21.30308 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted serialized Java object in a request to metadatauploader, aka SAP Security Note 2399804. NOTE: The vendor states that the devserver package of Visual Composer deserializes a malicious object that may cause legitimate users accessing a service, either by crashing or flooding the service. Source description excerpt; complete tracked detail loads below.
NVD published: Jul 12, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedSAP — NetWeaver. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jul 12, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 453.9
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · VulnCheck KEV
VulnCheck KEV added: Apr 22, 2025 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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