Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-109793
StatePUBLISHED
Assignersap
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 01:17:13 UTC
Updated2026-11-10 22:11:23 UTC
DescriptionSAP NetWeaver Application Server ABAP and SAP Web Dispatcher do not sufficiently validate certain header values processed during inbound request handling. An unauthenticated attacker could send a specially crafted request to cause the affected process to become unavailable.This results in a high impact on availability. There is no impact on confidentiality and integrity.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.003590000 probability, percentile 0.299080000 (date 2026-11-10)

Problem Types: CWE-121 | CWE-121 CWE-121: Stack-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SAP SE SAP NetWeaver Application Server ABAP Internet Communication Manager And SAP Web Dispatcher affected WEBDISP 9.16 Not specified
CNA SAP SE SAP NetWeaver Application Server ABAP Internet Communication Manager And SAP Web Dispatcher affected KERNEL 9.16 Not specified
CNA SAP SE SAP NetWeaver Application Server ABAP Internet Communication Manager And SAP Web Dispatcher affected 9.20 Not specified
CNA SAP SE SAP NetWeaver Application Server ABAP Internet Communication Manager And SAP Web Dispatcher affected 9.21 Not specified

References

ReferenceSourceLinkTags
url.sap/sapsecuritypatchday [email protected] url.sap
me.sap.com/notes/3808627 [email protected] me.sap.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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