Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platform

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Summary

CVECVE-2026-27671
StatePUBLISHED
Assignersap
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 01:16:45 UTC
Updated2026-06-09 02:08:28 UTC
DescriptionDue to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management, leading to memory corruption. This could lead to a high impact on the confidentiality, integrity, and availability of the application.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.000420000 probability, percentile 0.131490000 (date 2026-06-14)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SAP SE SAP NetWeaver And ABAP Platform affected KRNL64NUC 7.22 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 7.22EXT Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected KRNL64UC 7.22 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 722EXT Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 7.53 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected KERNEL 7.22 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 7.54 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 7.77 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 7.89 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 7.93 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 9.16 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 9.18 Not specified
CNA SAP SE SAP NetWeaver And ABAP Platform affected 91.9 Not specified

References

ReferenceSourceLinkTags
url.sap/sapsecuritypatchday [email protected] url.sap
me.sap.com/notes/3717897 [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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